# Find the area and circumference of the circle (6 m). Use 3.14 for pi. Show your work, round your final answer to the nearest tenth, and label your answer with the correct units for each.

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1. ## Math ~ Check Answers ~

Find the circumference of the circle (use 3.14 for pi). Show your work. Round to the nearest tenth. the radius is 23 yd My Answer: ???? •Circumference = (2) (3.14) (23) •3.14 x 2 x 23 = 144.44

2. ## Math

Circumference and Area of a Circle Quiz Part 1 1) Find the Area of the parallelogram (1pt) base:67 hight:52 A)3,302 ft2 B)3,484 ft2****** C)3,752 D)4,020 2)Find the Area of the triangle (1pt) base:2.8cm hight:7.8cm A)21.84 cm2 B)21.2cm2 C)10.92 cm2******

3. ## Calculus

A piece of wire 40cm long is cut into two pieces. One piece is bent into the shape of a square and the other is bent into the shape of a circle. How should the wire be cut so that the total area enclosed is a) a maximum? /b) a minimum? Perimeter of square

4. ## Calculus

Find the rate of change of the circumference of a circle with respect to the area when the area is 4π square feet.

5. ## geometry

Find a function that models the area A of a circle in terms of its circumference C.

6. ## Math

Find the area for the circle (use 3.14 for pi). Show your work. Round to the nearest tenth. the radius is 23 yd 22. Find the circumference of the circle (use 3.14 for pi). Show your work. Round to the nearest tenth. the raduis is 23 yd

7. ## Calculus

The measurement of the circumference of a circle is found to be 70 centimeters, with a possible error of 0.9 centimeter. a) Approximate the percent error in computing the area of the circle. (Round your answer to two decimal places.) b) Estimate the

8. ## Math

For any circle, which ratio is equal to the number π? Select all that apply. ***A. Circumference ------------------- Diameter B. Circumference ------------------- Radius ***C. Circumference ------------------- 2 Times Radius D. Radius Squared

9. ## Math

So my question is find the circumference of the circle in terms of Pi then use the approximation 3.14 for pi and approximate the circumference. How would I do this? The radius of the circle is 2m.

10. ## Mathematics

1. Find the circumference of the given circle. Round to the nearest tenth. (Circle with radius of 3.5 cm) -22.0 cm -38.5 cm -11.0 cm -42.8 cm 2. Find the area of the given circle. Round to the nearest tenth. (Circle with a diameter of 12 feet) -11.0 ft

11. ## Math

Find the perimeter of a regular 360-sided polygon that is inscribed in a circle of radius 5 inches. If someone did not remember the formula for the circumference of a circle, how could that person use a calculator’s trigonometric functions to find the

12. ## Math

Find the circumference of the circle. Use 3.14 for π. Round to the nearest unit. (Show picture of circle with a diameter, with 21cm at one side) A) 24cm B) 66CM C) 125cm D) 69cm Please help me understand, that means don't tell me the answer without

13. ## Geometry

Find the circumference and area of a circle with radius 8 cm. Express your answer in terms of π.

14. ## Analytic Geometry

A circle at the origin whose is 2 units is 2 is inscribed in a right triangle whose base is 8 units and altitude 6 units. Find a) The equation of the circle b)The area and circumference of the circle c)The area of the right triangle exluding the area

15. ## MATH

Find the circumference for the circle ( use 3.14 for pi ). Round to the nearest tenth. the circumference for the circle is 23 yd.

16. ## math,algerbra

find circumference and area of circle use 3.14 for unknown round to nearest tenths. 2) r=11.5 3)d=3.5 show steps to solve

17. ## Math

Circumference and area of a circle quiz 2 | connexus |. The diameter of a tire is 2.5 feet use this measurement to answer parts A and B. Show all work to receive full credit. a. Find the circumference of the tire. b. About how many times with the tire have

18. ## Math

Find the area and circumference of the circle (6 m). Use 3.14 for pi. Show your work, round your final answer to the nearest tenth, and label your answer with the correct units for each.

19. ## MATH HELP PLEASE. Pleas Give all answers if you ca

Which is true about the relationship between circle o and square RSTU? select all they apply. A the circumference of circle o is equal to the perimeter of square RSTU B square RSTU is inscribed in circle o C circle o is inscribed in square RSTU D segment

20. ## Math circumference

Find the circumference of the circle of 8 4/5 inches to the nearest tenth. Use 3.14. Round to the answer to the nearest tenth of an inch. A)13.8 in B)27.6 in C)60.8 in D)243.2 in A metal pole connects a horse's saddle to another pole in the middle of the

21. ## math

The circumference of a circle = 20 pi. If the circle is cut in half, what is the area of one of the resultant halves ? please answer and explain

22. ## math

You can use the formula A = C^2 / 4pi to find the area of a circle given the circumference. Describe another way to find the area of a circle when given the circumference. THX!

23. ## Pre calculus

You have a wire that is 71 cm long. You wish to cut it into two pieces. One piece will be bent into the shape of a square. The other piece will be bent into the shape of a circle. Let A represent the total area of the square and the circle. What is the

24. ## Geometry

Find the area of the following circle. ( = 3.14; round answer to the nearest whole number). Circumference = 120 cm. (Hint: Find r from C = 2r (round r to tenths); then find area).

25. ## Math

The area of a circle is given by the expression pi(16x^2 - 40x + 25) . a) What is the diameter of the circle? b) What is its circumference?

26. ## Java Programming

Question : Write a java program to find circumference and area of a circle. Your program should be fulfill following requirements.  Radius of the circle should be read in the main method of the program  Circumference and Area should be calculated at

27. ## Geometry

A circle with a radius of 1/2 ft is dilated by a scale factor of 8. Which statements about the new circle are true? Check all that apply. A.The length of the new radius will be 4 feet. B.The length of the new radius will be 32 feet. C.The new circumference

28. ## Math

If the circumference of a circle is 18 ( pie symbol), what is the area of the circle? Thanks

29. ## algebra

Circle O has a circumference of 220 meters. What is the approximate area of circle O? Show your work.

circle A has a raduis that is twice the length og the raduis of circle B. Which is an accurate statement about the relationship of these areas of circle A and B and y? a.the area of circle A is 4 times the area of circle B b. the area of circle A is twice

31. ## math

A circle has its center at the center of a square with 12-inch sides. Using 3.14 for pi, find the area of the square not covered by the circle, then write a ratio of the circle’s circumference to the perimeter of the square.

32. ## Circumference and Area of Circles

can someone help me with these:Find the radius, diameter and circumference of a circle with an area of 64 cm2. Write your answers as decimals rounded to the nearest hundredth. Find the circumference and area of a circle that has a rectangle inscribed

33. ## MATH HOMEWORK

Find the circle circumference and circle area with a circles radius 10 inches I think the circles are is 314 but don't know the circumference.

34. ## math

if a circle has an area 2500 times pi what is the circumference? Please show work.

35. ## ?Cal/Trig??

Suppose the circumference of a circle is increasing at a rate of 3 cm/s. Find the rate at which the area of the circle is changing when the area is 64pi square centimeters. nEEd ALot of HELP on this one. !! PLZ. Jayden--CUHS

36. ## math

Find the area for the circle (use 3.14 for pi). Show your work. Round to the nearest tenth. the radius is 23 yd 22. Find the circumference of the circle (use 3.14 for pi). Show your work. Round to the nearest tenth.

37. ## math

Find the circumference and the area for each circle in terms of π. r = 3 in.

38. ## math

the circumference of a circle is 4 inches. Find the radius and area..

39. ## Geometery

How do I solve this? On my assignment it says find the area inside the square, but outside the circle, given that the radius of the circle is 2 ft. Use 3.14 for ^ I have a picture of a square with a circle in the square, with a base 6 ft. and height 6 ft.

40. ## math

I'm asked to find the circumference of a circle to the nearest tenth and the area of the same circle to the nearest hundredth. The circle has a diameter of 30 and a radius of 15. I got a circumference of 94.2 and an area of 188.48cm2 with these formulas:

41. ## math

my math homework tells me to find the area of a circle using it's circumference. the circumference given was 6π yd. (6 pi yard). can someone explain to me how to find the area?

42. ## Math, Algebra

Circle O has a circumference of 220 meters. What is the approximate area of circle O? Show your work.

43. ## Math

What is the circumference of the circle round to the nearest tenth and show all work and the area of the circle is 9.5m

44. ## Algebra

The Circumference and area of a circle of radius r are givin by 2 [pie] r and [pie] r, respectively use 3.14 for the constant [pie] A. What is the circumference of a circle with a radius of 2 m? B.What is the area of a circle with a radius of 2 m? C.

45. ## Math

Find the radius of a circle so that it's area and circumference have the same value.

46. ## Math

how do u find the area and circumference of a circle if the radius is 2.5 ?

47. ## math

Find the exact area of a circle having the given circumference What formual would i use for that?

48. ## math

How do I graph a circle with the center being (0, 5) that passes through (0, -5) and then find area a and circumference?

49. ## math

A square is inscribed in a circle. If the area of the square is 9 in2, what is the ratio of the circumference of the circle to the area of the circle?

50. ## maths

O is the centre of the circle and A and B are points on the circumference of the circle. The radians of the circle is 12 cm and the angle AOB is 54 degrees. Choose the one option which gives the length of the circle joining A and B , correct to one decimal

51. ## Math

19. WorkPad Note: In questions 19-21, remember to show all of the steps that you use to solve the problem. Be sure to use the text box where the question mark (?) first appears to show your mathematical work. You can use the comments field to explain your

52. ## math

the radius of a circle when the numeric values of the circumference and the area are equal Start with what you know. If you know the formula the area of a circle, and the formula for the circumference of a circle, then you can set them equal to each

53. ## math

Find the circumference of the circle. Use 3.14 for π. Round to the nearest hundredth, if necessary. 7 in. The circumference of the circle is about inches.

54. ## Math

I need to find the area of a shaded part. it is a square with a circle the measurements that I have are pi = 3.14 and 15 ft by 15 ft. I know to find the area of the square I take base x height but cannot figure out correct formula for subtracting the

55. ## Geometry

Assuming that the circumference of each circle passes through the centers of the other two, and that the radius of each circle is 1, what is the total combined area?

56. ## Mathematics

The radius of a circle is given as 2.8cm to 2significant figures(a)if c is the circumference of the circle, determine the limits between which c/π lies (b) by takingπ to be 3.142, find, to4significant figures the line between which the circumference lies

57. ## Math

If the circumference of a circle is 16 meters what is the approximate area of the circle? Use 3 for pi.

58. ## Physics

I have to design a laboratory activity to answer the question, "What is the relationship between the diameter of a circle and the area of the circle?" My teacher said to use a previous activity as a templete to help me. For the previous activity you had to

59. ## math

Okay. So i'm doing this project for my geometry class about different sports, soccer, baseball, basketball, bowling, golf, volleyball and pool. I have to find the surface area, volume, diameter, circumference, and radius of each of the balls. I got a

60. ## Algebra

The area of a circle is given by the formula A = pi*r^2 and the circumference of the circle is given by C = 2*pi*r. Find the ratio of the area to the circumference. What happens to this ratio if the radius is quadrupled? Thank you!

61. ## math, HELP ME PLEASE!!!

Circle O has a circumference of 220 meters. What is the approximate area of circle O? Show your work.

62. ## math, HELP ME PLEASE!!!

Circle O has a circumference of 220 meters. What is the approximate area of circle O? Show your work.

63. ## math

my math homework tells me to find the area of a circle using it's circumference. the circumference given was. can someone explain to me how to find the area?

64. ## Math

A circle has the circumference 28.26cm. What is the area of the circle? use PI as 3.14. i am confused in how to even solve with the circumference to get the area. Please help

65. ## Math

What is the approximate circumference of a circle with a radius of 6 centimeters? A.12 B.18 C.24 D.36 My teacher says it's D and I agree but for the next question he says it's 12 and aren't these two questions the same? What is the circumference of the

66. ## math

Note: Enter your answer and show all the steps that you use to solve this problem in the space provided. A circle with radius labeled 23 yards Find the circumference of the circle (use 3.14 for pi). Show your work. Round to the nearest tenth.

67. ## Math

I help solving these out can someone work through them with me???? 19. WorkPad Note: In questions 19-21, remember to show all of the steps that you use to solve the problem. Be sure to use the text box where the question mark (?) first appears to show your

68. ## Maths

The ratio of the circumference of circle P to the circumference of circle Q is 5:4.Find the ratio of the area of circle P to the area of circle Q

69. ## Physics

The radius of a circle is measured to be 12.8 ± 0.2 cm. I need to find the Area and the Circumference of the circle? But how to I account for the uncertainties in each value?

70. ## Geometry-8th gr

The Circumference of a circle is equal to the area of the circle. Find the radius. Thanks.

71. ## MATH PLS HELP

19 WorkPad Note: In questions 19-21, remember to show all of the steps that you use to solve the problem. Be sure to use the text box where the question mark (?) first appears to show your mathematical work. You can use the comments field to explain your

72. ## math

The area of circle c is 81 pi . if the radius of the circle is doubled, what is the circumference of the new circle ? please answer and explain

73. ## Pre-Calc

Can someone please be kind and show me the steps on this? Thanks Find the equation of the circle centered at the origin in the uv-plane that has twice the circumference of the circle whose equation equals (u-5)^2 + y^2 =9

74. ## college algebra

The diameter of the Earth is approximately 7,920 miles. Given that the circumference of a circle is pi times its diameter, which statement best describes the length of a trip from Washington to Masdagascar that is approximately 8,600 miles long? a.One

75. ## math

find the circumference and area of a circle with a diameter of 16 feet

76. ## maths

the circumference of a circle 314cm find the radius and the area

77. ## Precalculus

A line segment has endpoints A=(1,3) and B=(13,19). a) Find the equation of the circle for which the segment AB is a diameter. Ans: (x - 7)^2 + (y - 11)^2 = 100 b) Accurate to the nearest tenth, the circumference of this circle is _______ ? I was able to

78. ## math

The number of square units in the area of circle P is equal to the number of units in the circumference of circle P. Assuming that the diameter of the circle must be greater than P, what is the radius of circle P ? a. 2 b. 2 pi c. 4 d. 4 pi e. cannot be

79. ## math

find the area and circumference of the circle. Use 3.14 for pie and round to the nearest hundreth

80. ## pre algebra

find the circumference and area of a circle if its diameter is 12 feet. round to the nearest tenth.

81. ## pre algebra

find the circumference and area of a circle if its diameter is 12 feet. round to the nearest tenth.

82. ## math

A circle of area 25 pi is graphed in the coordinate plane. If its center has coordinates (8,0), which of the following points MUST lie on the circumference of the circle? a. (0,0) b. (0,5) c. (16,0) d. (3,0) e. (0,8) please answer and explain

83. ## Geometry

How do you find the area and circumference of a circle. This site has a great explanation for finding area and circumference of a circle. http://www.coolmath.com/reference/circles-geometry.html

84. ## Math

Two perpendicular diamters(cutting each other at right angles) of a circle cut the circumference at four(4) points. A square is formed by joining the 4 points. If the circumference of the circle is 132cm, find the area of the square. so right here they

85. ## can xome1 help me plzz im stuck

HELP PLZZ...A circle has radius 2 cm,(in that circle there is a traingle ABO) O is the centre of the circle. the chord AB has length 3 cm. . BO is 2cm AO is 2cm (i) Show that ÚAOB is 1.696 radians (to three decimal places). (ii) Hence ﬁnd the area of

86. ## Math

I need help with number 19-21 I don't get it. 19. Workpad Note: In questions 19-21, remember to show all of the steps that you use to solve the problem. Be sure to use the text box where the question mark (?) first appears to show your mathematical work.

87. ## Math

Circle X has an area of 36pie, and a circle Y has an area of 18pie. What is the ratio of the circumference of X to the circumference of Y.

88. ## Math "Need Help Asap"!

19. WorkPad Note: In questions 19-21, remember to show all of the steps that you use to solve the problem. Be sure to use the text box where the question mark (?) first appears to show your mathematical work. You can use the comments field to explain your

89. ## Math

Im working on "Finding the Area and Circumference of a circle" I have a question. Is the circumference half of the area? I was looking at my brothers math book, this is what it shows. C=πr2≈ 2(3.14)(4)≈ 25.1 A=πr^2≈ 3.14(4^2)≈ 50.2 cm^2. Thanks.

90. ## Math

Marie forgot the formula for finding the area of a circle, so she divided the circle into sectors and created a parallelogram-shaped figure. What should she use as the height of the figure? A.the radius B.360 C.12 of the circumference D.the circumference

91. ## Maths

A quadrilateral is called cyclic if its corners lie on the circumference of a circle. An example is shown below left: the circle has radius 5 The area A of the quadrilateral for different x values is plotted on the right. It can be calculated that this

92. ## math

Find the area of the following plane figure. A circle whose circumference measures 28 centimeters. Area (to the nearest square centimeter) =

93. ## math

the circumference of a circle is 30 find its area

94. ## Math

Find both the circumference area of the circle whose equation is (x-2)2+(y-3)2=64.

95. ## Math

It this circumference of a circle is 44cm. find its area

96. ## Math

It this circumference of a circle is 44cm. find its area

97. ## algebra equation

How do I find a formula for the area of a circle with a circumference c?

98. ## College math

Find the area and the circumference of a circle of radius 4 meters. Thank you

99. ## math

how do you find the diameter of a circle if you don't have the radius? the circumference is 628 cm. Divide the circumference by pi, which is 3.14 (approximately). That will give you the diameter. Circumference = pi * D

100. ## Circumference

Find the circumference and area of cirlce with a radius of 3 feet. Let n stand for pi Circumference=2n x (3)=6 or 18.84 or 18 6/7 I understand how to calulate the circumference. The answer that the book gives of 18 6/7. I am not clear where the 6/7 is