((MATHS FORM2 CHAPTER 5 CIRCLE)). HELPPPPPPPPPP I WILL MARK AS BRAINLIEST PLEASE SHOW YOUR WORKING :-)


Kevin wants to build a dartboard. The dartboard consists of two
circles centred at O and three shaded regions as in the diagram.
The diameters BOD and AOC are perpendicular to each other.
Given OE= ED = 10 cm. Calculate the area of the shaded regions
22
in cm². ((Use π= 22/7))​

((MATHS FORM2 CHAPTER 5 CIRCLE)). HELPPPPPPPPPP I WILL MARK AS BRAINLIEST PLEASE SHOW YOUR WORKING :-)

Answers

Answer 1

Answer:

Step-by-step explanation:

strategy:  Find the area of the entire dartboard, then subtracted the inner circle from that whole.    we will have the entire outer circle,  so divide that by 2 for half of it.   Next divide the inner circle by 4 . Then add that to the outer circle answer from above.

whole circle = [tex]\pi[/tex]*[tex]20^{2}[/tex] = 1257.142857 [tex]cm^{2}[/tex]

inner circle = [tex]\pi[/tex]*[tex]10^{2}[/tex] = 314.2857143 [tex]cm^{2}[/tex]

1257.142857 - 314.2857143 = 942.8571427 outer circle

942.8571427 / 2 = 471.4285 ( half of the outer circle)

now find quarter of the inner circle

314.2857143 / 4 = 78.57142855

add the two parts together

78.57142855 + 471.4285  = 549.9999

The shaded regions = 550 [tex]cm^{2}[/tex]


Related Questions

helppppppppppppppppppppp​

Answers

Answer:

d=112

f=112

a=68

e=68

c=112

Explanation:

Each line is equal to 180 degrees so 180-68 is 112 f and a should be the same degree because of the way the line is slanted. E and c will be the inverse of d and 68.

PLEASE HELP ME WHAT AM I SUPPOSE TO DO?!

Answers

Answer:

Step-by-step explanation:

Angle 2= 50

angle 1= 180-50= 130 degrees (linear pair (sum 180))

angle 3= 130 degrees (vertically oposite angles are equal)

angle 6= 130 degrees (alternate interior angles)

angle 5= 180-130= 50 degrees (linear pair)

i hope this helps :)

6(x+1)=24 solution to equation

Answers

6(x+1)=24
6x+6=24
6x=24-6
6x=18
6x/6=18/6
x=3

PPEASE HELP ONLY ANSWER IF YOU KNOW

Answers

Step-by-step explanation:

In order to rotate a coordinate point by 90° in the counterclockwise direction, follow the following transformation rule:

(x, y) ---> (-y, x)

Here is the list of the coordinates of the points on the fan blade and next to it is a list of points that are rotated by 90° in the counterclockwise direction:

Normal. Rotated

(x, y) (-y, x)

(3, 1) (-1, 3)

(5, 2) (-2, 5)

(8, 4) (-4, 8)

(9, 6) (-6, 9)

(8, 8) (-8, 8)

(6, 9) (-9, 6)

(4, 8) (-8, 4)

(2, 5) (-5, 2)

(1, 3) (-3, 1)

Simply repeat the pattern for the other two blades.

2) A box holds 6 smaller
boxes with 160 paper clips in
each box. If 1.5 of the boxes
have been used, how many
paper clips are left?

Answers

960 total minus 240 used equals 720 left

The number of paper clips that are left will be 480 clips.

What is Algebra?

Algebra is the study of abstract symbols, while logic is the manipulation of all those ideas.

The acronym PEMDAS stands for Parenthesis, Exponent, Multiplication, Division, Addition, and Subtraction. This approach is used to answer the problem correctly and completely.

A box holds 6 smaller boxes with 160 paper clips in each box. If 1.5 of the boxes have been used. Then the number of paper clips that are left is given as,

⇒ (2 - 1.5) x 6 x 160

⇒ 0.50 x 960

⇒ 480

The number of paper clips that are left will be 480 clips.

More about the Algebra link is given below.

https://brainly.com/question/953809

#SPJ6

Sydney says that if all of the side lengths of a cube are doubled, the volume of the cube will also double. Is she correct? Explain.​

Answers

Answer:

no, it's not correct

Step-by-step explanation:

volume or the cube = L³

so if we doubled the side lengths

They would be 2L

then the volume= (2L)³ = 8L³

so that would make the volume 8 times the first value not double

In the sequence 9, 14, 19, 24, 29,.... Say we're using a to describe the terms. What is the value of the term below?
14


9


19



29


24

Answers

Maybe term 14 hope this helps

You decide you want to go snowboarding for the day and you have to figure out your budget. Tickets are $75.00 per day and there is a 5% convenience charge when you order your ticket. You also have to pay for a bus ticket that is $12 for the day. You mom gives you a 15% off coupon that applies to the lift ticket only (not the bus). What is the total cost for your fun day out? (round to the nearest hundredth)

Answers

The total cost for your fun day out is $23.82.

What is percentage?

In mathematics →

a percentage is a number or ratio expressed as a fraction of 100.it is often denoted using the percent sign "%".

Given is that you decided to go snowboarding for the day and you have to figure out your budget. Tickets are $75.00 per day and there is a 5% convenience charge when you order your ticket. You also have to pay for a bus ticket that is $12 for the day. You mom gives you a 15% off coupon that applies to the lift ticket only.

Assume that the total cost for your fun day out is ${x}. Then, we can write the equation as -

{x} = 15% of (75 + {5% of 75}) + 12

{x} = 15% of (75 + {5/100 x 75}) + 12

{x} = 15% of (75 + {1/20 x 75}) + 12

{x} = (15/100) x (75 + 75/20) + 12

{x} = (3/20 x 78.75) + 12

{x} = 11.82 + 12

{x} = 23.82

Therefore, the total cost for your fun day out is $23.82.

To solve more questions on percentage, visit the link below -

brainly.com/question/24159063

#SPJ1

Jean Junction is selling jeans at 15% off the regular price the regular price is $25 per pair what is the discount amount

Answers

Answer:

15% off means take $3.75 off the regular price

Step-by-step explanation:

$25(0.15) = $3.75

$25 - $3.75 = $21.75  sale price

A rose garden is formed by joining a rectangle and a semicircle, as shown below. The rectangle is 29 ft. long and 19 ft. wide. If the gardener wants to build a fence around the garden, how many feet of fence are required? (Use the value 3.14 for pi, and do not round your answer. Be sure to include the correct unit in your answer.)

Answers

Answer:

141.6925 [tex]ft^{2}[/tex]

Step-by-step explanation:

Area of rectangle  = LW

A = 29 x 19 = 551 [tex]ft^{2}[/tex]

Semicircle = [tex]\frac{\pi r^{2} }{2}[/tex]

[tex]\pi[/tex] = 3.14

r = 19/2 = 9.5

[tex]\frac{(3.14)(9.5^{2}) }{2}[/tex]

(9.5)^2 = 90.25

3.14 x 90.25 = 283.385

283.385/2 = 141.6925 [tex]ft^{2}[/tex]

This is due today pls help me !! :c

Answers

Answer:

x = 84

Step-by-step explanation:

Answer:

84 degrees

Step-by-step explanation:

when finding the angle of any square, as long as all for sides equal to 360 degrees, your doing it right! hope I helped

can someone tell me how much is 0,5-⁶?​

Answers

Answer:

add this and (5 × 5 × 5) × (5 × 5 × 5 × 5 × 5

Step-by-step explanation:

A B. C A3 x 3 matrix is above. It has a pattern going both horizontally across the rows and vertically down the columns. The pattern is not necessarily the same in both directions. There is one object that fits correctly in the bottom right corner of the matrix. Choose this object from the list below the matrix Select one: a. A ОБ. В Ос, с d. D e. E f.F 8.G h. H

Answers

We can conclude from answering the above question that the first two patterns of the matrix  form a sequence in the third from top with the numbers 4-2-6.

what is matrix i?

A matrix is a set of numbers arranged in rows and columns. learns about the elements and dimensions of matrices and introduces them for the first time. A rectangular grid of numbers in rows and columns is known as a matrix. Matrix A, as an illustration, has two rows and three columns. Its single row and 1 n row matrix order are the reasons behind its name. A = [1 2 4 5] is a row matrix of order 1 by 4, for instance. P = [-4 -21 -17] of order 1-by-cubic is another illustration of a row matrix.

We can conclude from answering the above question that the first two patterns of the matrix  form a sequence in the third from top with the numbers 4-2-6.

To know more about matrix visit:

https://brainly.com/question/29995229

#SPJ4

Chris drew the following diagram of his park with a scale factor of 1 inch = 9 points
7 feet. What is the area of the actual park?*
11 inches
7 inches

Answers

The answer to this question is 91 ft.

Answer

539

Step-by-step explanation:

A model airplane is built on the scale of 0.5 inch for every 11 feet. The length of the
wing on a 747 airplane is 211 feet. What is the length of the wing on the model
airplane? (Round your answer to the nearest tenth)

Answers

Answer:

[tex]9.59[/tex] ft

Step-by-step explanation:

[tex]\frac{211}{11}[/tex]

[tex]= 19.181818\\multiply\\by\\0.5\\= 9.59[/tex]

A game has a deck of cards with 10 red cards and 4 blue cards. You randomly choose one card and without replacing it choose another card. What is the probability of choosing a red card and then a blue card?

Answers

Answer:

21.97%

Step-by-step explanation:

Find the measure of the are or angle indicated. Assume that lines which appear tanget are tangents. ​

Answers

9514 1404 393

Answer:

85°60°

Step-by-step explanation:

1. Angle JKL is half the measure of the intercepted arc JK.

  (1/2)JK = 1/2(360° -190°) = (1/2)(170°) = 85°

  angle JKL is 85°

__

2. The angle between tangents is the supplement of the intercepted arc.

  angle JKL = 180° -(360° -240°)

  angle JKL = 60°

A 6-ft tall person is standing next to a tree. The tree is 15 feet tall and casts a shadow 5 feet long. How long is the shadow of the person?

Answers

The tree is most likely 48 ft long

help with angles, also explain how to do this so i can go on further without help

Answers

Answer:

x = 103°

Step-by-step explanation:

The exterior angle of a triangle is equal to the sum of the 2 opposite interior angles.

x is an exterior angle of the triangle, so

x = 50° + 53° = 103°

How do you simplify 3 ratios?

Answers

To simplify 3 ratios, divide each part of the ratio with the same amount and keep diving numbers in the ratio until they are as small as possible but they remain as whole numbers.

To simplify or reduce a fraction, first, we need to find a common factor between the ratio numbers. When we have multiple ratio numbers, we must find a common factor between all of them.

The greatest factor between all the ratio numbers (greatest common factor) will be utilised to divide or reduce the ratios down to their lowest form.

For example reduce the ratio 350: 250: 125

The first step is to determine a common factor between all of the ratio numbers. In this example, we can see that all of the numbers end in either 5 or 0. This means that each number should have 5 as a factor.

If numbers are large and we are not sure of the greatest common factor between them all, we can reduce by a common factor and then reduce again.

Now divide each number by 5 and see what we get.

350/5: 225/5: 125/5

70: 45: 25

When we divide each one by 5 again, we can see that each number again ends in 5 or 0 which means that 5 is still a factor of each number.

Now divide each number by 5 again and get a final ratio of 14: 9: 5.

70/5: 45/5: 25/5

14: 9: 5

To know more about greatest common factor, here

https://brainly.com/question/11221202

#SPJ4

Perry learned to play a total of 18 piece over the coure of 9 week of piano leon. After 12 week of piano leon, how many total piece will Perry be able to play? Solve uing unit rate

Answers

In a course of 12 weeks, Perry will be able to play a total of 25 pieces of the piano Leon.

A total of 18 pieces of piano are learnt by Perry in a course of 9 weeks.

By using simple algebra, we can find the number of pieces that will be played by Perry in one week,

So, we can write, The learing speed,

Number of piano pieces learnt = Weeks

19 pieces = 9 weeks

Learning speed = 19/9 Pieces per week

So, the number of pieces learnt in 12 weeks is,

Number of pieces learnt = 19/9 x 12

Number of pieces learnt = 25.22

Number of pieces learnt = 25

So, Perry will be able to play 25 pieces.

To know more about Algebra, visit,

https://brainly.com/question/4344214

#SPJ4

4) If 1 inch represents 10 miles on a map, then how many inches will
represent 120 miles?

Answers

Answer:

12 inches

Step-by-step explanation:

You can use proportions to solve this:

1/10 = x/120

Cross multiply:

12 = x

Answer:

12 inches.

Step-by-step explanation:

The ratio given is that 1 inch = 10 miles.

The amount given to you is 120 miles. To find the amount of inches, simply divide the total amount of miles (120) with the amount of miles needed to be ratio into inches (10):

120/10 = 12

12 inches is your answer.

~

Can y’all help me with this I don’t understand stand

Answers

is it 10+8=18 is this it hopefully this helps

Answer:

Option C

Step-by-step explanation:

10 + n is the total number of computers Mr. James will sell this week, since he has already sold 10 computers and will sell n more. Because he wants to sell at least 18 computers, the correct symbol is ≥.

Determine the equation of the circle graphed below

Answers

(x+5) ^2 + (y-1)^2 = 2^2 btw the ^2 makes it squared

5135/1000 = quotient and reminder
485/100 = quotient and reminder

Answers

Answer:

5135 ÷ 1000

= 5 R135

485/100

= 4 R85

Someone please Help me it’s due soon !!!! Use steps please

Answers

Answer:

4/3 or 1 1/3

Step-by-step explanation:

cube root of 64 = 4

cube root of 27 is 3

4/3 or 1 1/3

Answer and explanation: picture shown below

Solve the following system of equations. Enter the y-coordinate of the

solution. Round your answer to the nearest tenth.

5x+2y=21

- 21+ 6v=-34

Answers

To find the y-coordinate of the solution, we can substitute in this value for y and round it to the nearest tenth: y = -2.2

What exactly does a coordinate system mean?

system of coordinates, Arrangement of reference lines or curves for locating points in space The Cartesian (named for René Descartes) system is the most popular one in two dimensions.

To solve for y in the equation 5x + 2y = 21, we can start by isolating y on one side of the equation. To do this, we can subtract 5x from both sides of the equation:

5x + 2y = 21

5x - 5x + 2y = 21 - 5x

2y = 21 - 5x

To solve for y, we can then divide both sides of the equation by 2:

2y = 21 - 5x

y = (21 - 5x) / 2

To solve for y in the equation -21 + 6y = -34, we can start by isolating y on one side of the equation. To do this, we can add 21 to both sides of the equation:

-21 + 6y = -34

-21 + 21 + 6y = -34 + 21

6y = -13

To solve for y, we can then divide both sides of the equation by 6:

6y = -13

y = -13/6

y = -2.1666666666666665

To find the y-coordinate of the solution, we can substitute in this value for y and round it to the nearest tenth:

y = -2.2

So, the y-coordinate of the solution is -2.2.

To know more about Quadrant visit:

https://brainly.com/question/27749090

#SPJ1

please help my smart bootiful people O^O

Answers

Answer:

y= 27 x=63

Step-by-step explanation:

sorry if its wrong...

Which angles are alternate exterior angles?


1. EFH and BCF

2. EFH and DCA

3. EFH and EFC

4. EFH and BCA

Answers

∠EFH and ∠ACD are angles of alternate exterior angles in the figure as  alternate external angles are those that are generated on the outer side of the parallel lines .

what are angles ?

When two straight lines connect at a 90° angle or are perpendicular to one another, an angle is formed. The symbol denotes a right angle. In the picture up above, many right angle formations are visible. Shapes include the correct angles. Triangles classified as right triangles have one of their internal angles at a 90 degree right angle. The three interior angles of a triangle add up to 180 degrees, so the three interior angles of a right triangle must always add up to 90 degrees because one of them is always 90 degrees.

given

The pair of angles known as alternate external angles are those that are generated on the outer side of the parallel lines but on the transverse side.

sum up to 180 degrees, you can calculate the size of the inner angle adjacent to it if you know the size of the outer angle (since together they are the angle on a straight line). The internal angles at the other two vertices are added to create the outer angle of a triangle.

To know more about angles visit :-

https://brainly.com/question/28451077

#SPJ1

The price of a particular stock is represented by the linear equation y = negative 0.91 x + 103.47, where x represents the number of weeks the stock has been owned and y represents the price of the stock, in dollars. If this relationship continues, what is the price of the stock after it has been owned for 12 weeks?

Answers

Answer:

Step-by-step explanation:

We have, C(x) = 0.005x3 – 0.02x2 + 30x + 5000

Clearly, the marginal cost, MC (x) = \(\frac{d}{d x}\)C(x)

= \(\frac{d}{d x}\)(0.005x3 – 0.02x2 + 30x + 500)

= 0.005 × 3x2 – 0.02 × 2x + 30 + 0

= 0.015x2 – 0.04x + 30

Now, marginal cost when 3 units arei produced

MC(3)= 0.015(9) – 0.04(3) + 30

= 0135 – 0.12 + 30= 30.015

Other Questions
I need help with how to do question c, d, and e What is water used for in space? If 8 times a number is decreased by 2, the result is less than 15. What is the number? Find the value of x . Which of the following statements is TRUE if a bond is issued for an amount higher than face value? A) The bond's stated interest rate is less than the prevailing market interest rate at time of sale. B) The bond's stated interest rate is the same as the prevailing market interest rate at time of sale. C) The bond's stated interest rate is more than the prevailing market interest rate at time of sale. D) The bond is not secured by specific assets of the issuer. E) none of the above a gentry class, distinguished by its lavish living style, developed in the south by 1700.a. trueb. false The pressure of a gas p(v) varies inversely with the volume of the gas v. The pressure of a gas measures 15 kg/cm2 when its volume is 300 cm3 . Which equation can be used to find the pressure of the gas when the volume is changed Courts and Civil Liberties 04.02 MC)Sue and Tim are arguing about the value of appointing rather than electing federal judges. Tim says they are appointed because they need to beindependent. What does he mean? A ball was dropped from a height of 150 cm. The rebound factor of the ball is 0. 8. About how high, in centimeters, did the ball go after the third bounce? A. 77 B. 96 C. 234 D. 293 For what values of x and y must each figure be a parallelogram?Need help please, and explanation. What angles are the remote angles to angle dWhat is the measure of angle x What is the measure of angle x Find the measure of the indicated angle. Need help please.I need explanation tooTHANK YOU While Investigating the influence of culture on children's play, it was observed that Multiple Choice a. Korean American children were free of the influence of culture b. nature had no influence on Anglo-American childrenc. Anglo American children were more key to be influenced by nurture as compared to Korean American chaden d. Korean American children engage in proportionately less pretend play on do Anglo American children 4. The speaker questions all of the followingEXCEPT(A) the thief's designs on his soul(B) the thief's mental cruelty(C) his own level of culpability(D) his attempts to find a solution in books(E) the wisdom of his attempted flight How do the people in Frannys community behave towards each other in the book feathers A fair coin is flipped three times, and the number of times it comes up "heads is recorded.Have the conditions for a binomial setting been met for this scenario?No, this is a fair coin.Yes, all four conditions in BINS have been met.No, the coin flips are not independent of one another.No, the coin needs to be flipped until heads appears. The number of trials needed to get heads should be recorded. help me with this question please If an image has only 4 colors, how many bits are necessary to represent one pixels color? Describe a new custom encoding that uses fewer bits to represent each color in the image. What is your encoding for each color? If you were to re-encode this image using your new encoding, how many bits would you save when compared to the 24 bit RGB encoding? What 4 jobs can a gerund do in a sentence? What is the minimum needle length recommended for administering HepB vaccine to an adult patient weighing 130 lb