Pi π π is approximately equal to 3. 56 in. 25 inches Weegy: The area of a square piece of cardboard is 81 square inches , therefore the length of the. D. 14 ⋅ 16. 16 square meters. The formula for the circumference of a circle is pi times the diameter of the circle. 14·14 = 43. Formula 3: When the area of a circle is known, we can write the formula to find the perimeter of the circle as: C = √ (4πA) Here, C = Circumference of the circle. Area = pi *r^2 , 58 = 3. 84 inches. Area = pi*r^2 = 3. If the area of a circle is 58 square feet, the circumference is 26. This is typically written as C = πd. heart outlined. 3984 meters D. Find the circumference of a circle if the area is 300 square centimeters. 84. 752 cm2. See Circumference of a Circle for more. User: If the area of a circle is 58 square feet, find the circumference. c = d * pi. Formula to Find Circumference. If the area of a circle is 58 square feet, find the circumference. If your calculator doesn't have a PI (Π. 7 cm. 96 inches. Example 2: Suppose that the diameter of the circle is 12 feet. 1416 * 12 = 75. 28*7= 44 (inches) ; Answer: approximately 44 (inches) Score 1 User: Identify the coefficient of 7xy Weegy: The coefficient of 7xy is 7. then plug in known values. 1416. 16 square meters is 75. 2) The volume of a cube is given by:Find the circumference of a circle with a radius of 7 cm. 14 =18. 28318. So, if you mean the circle has a diameter of 12 feet, then we must multiply 12 by Pi. To find the circumference of any circle, multiply the diameter of the circle by 3. Two of the sides are 84 feet long, and the other two sides are 50 feet long. 14 3. User: The spoke of a wheel reaches from the center of the wheel to its rimFind the circumference of the circle. The diameter of a circle whose circumference is 18. Substitute the value of the radius r = 5. 3984 meter. // Circumference. The equation solved for r is r = r equals StartFraction C Over 2 pi EndFraction. In this lesson, we will investigate how to calculate the circumference of a circle. 1416 as the value of . 5. 14 = 95. (Use 3. ) A. 14159265358979323846. User: a rectangle has a length of 10 feet and a width of 6 feet whats the perimeter. 37. Circumference quiz for KG students. 74 cm C. 45 m D. If radius and diameter are unknown, you can calculate it from the circumference: a = c² / 4π. (Use 3. 36 meters Score 1 User: Find the volume of a cylinder with a diameter of 10 inches and a height of 20 inches Weegy: Two angles are supplementary. 7 User: the spoke of a wheel reaches from the center of the wheel to its rim. Circumference C = √ 4·π·A = √ 4·π·153. The circumference is the perimeter of a circle or an ellipse. 142857142857. The measurement of the second angle is 140°. 4 centimeters. 14 = 95. using the formula C = 2TTr, find the circumference of a circle with diameter of a circle with diameter of 28 inches. Area = pi*r^2 = 3. 14 for pi. 28 inches. The dimensions could be the diameter, in inches Jessa used to draw her circle is 18. Question. So add 21 to both sides to get the constant term to the righthand side of the equation. 4: 11. 14. 3984 meters Find the circumference of a circle that has an area of 452. 14; r^2 = 95. 74 cm The circumference of a circle if the area is 300 square centimeters. The equation for the area of a circle is: A = π r 2. 2 centimeters. If your calculator doesn't have a PI (Π. 1416 d = 6 (rounded) Log in for more information. Using the formula C = 2pir, find the circumference of a circle with diameter of 28 inches. 64 = 2πr. Find the circumference of the circle. Jonathan and his sister Jennifer have a combined age of 48. So it's going to be equal to 2 times pi times the radius, times 3. A. C= 2*3. 96 cm D. Or we can plug in 3. The circumference of a circle is pi times its diameter. Find the circumference of a circle if the area is 300 square centimeters. 8π. meters. A. Solution: circumference = diameter * pi; c = d * pi; c = 45 * 3. Circumference = 2 r where "Circumference" represents the total distance around the circle, " " is a mathematical constant approximately equal to 3. ; The diameter (red) is a line with both endpoints on the circle going through the center. 1415 * 7m = 43. Arc length is calculated using the relation :. 24 meters B. Circle Calculations: Using the formulas above and additional formulas you can calculate properties of a given circle for any given variable. Calculate A, C and d | Given r. 79 feet. Area = a^2 = 21^2 = 21*21 = 441 User: Find the circumference of a circle if the area is 300 square centimeters. 28 in. 79 feet. 1416. 3984 meter. You can use a two-step process, solving first for the radius using the formula for the circumference: circumference = 2 π ( r ) {displaystyle { ext{circumference}}=2pi (r)} . C = 3. 44 in. This tutorial shows you how! Virtual Nerd's patent-pending tutorial system provides in-context information, hints, and links to supporting tutorials, synchronized with videos, each 3 to 7 minutes long. 37. 92 or r=12 Circumference of the circle =2pir =2pi(12) =24pi =75. Compare this to a line segment with endpoints on the circumference of a circle. A. A. d = 18. 16 square meters. Units. 1. 56. Diameter cm in ft; 200. 88 in. Circumference = 2πr. 1415 * 7m = 43. 30 mm. And the answer to the circumference of a circle with a diameter of 45 is approximately: ≈ 141. 186 pi is the ratio between a circle's circumference and diameter. Diameter of a Circle. You can find the circumference of a circle in these easy-to-follow steps. 25: 37. 16 m^2Find the circumference of a circle that has an area of 452. This time, you use a different formula: A = π * R^2 A = π * 14^2 A = 615. (Use 3. 1416 as the value of π. Pi π π is approximately equal to 3. com New answers. A. 14) = 7. 1416 * 452. Radius of the circle = 28/2 = 14 inches. The circumference of a circle can be found by multiplying pi ( π = 3. Therefore, its radius is 3. The equation solved for r is r = r equals StartFraction C Over 2 pi EndFraction. 84/3. One simple way to find the circumference is to use a string and wrap it around a round object. A. Solution: Area = pie *r^2 = 452. 55. 12 m D. The formula to calculate the circumference if you know the radius is as follows: Circumference = 2 x Radius x π π = Pi = 3. Use 3. 84 inches. Pi = π = 3. 1416 c = 141. 25 cm D. In this problem, we are told that the area is . 99 ft. Write cos (arccos (8x) − arcsin (8x)) as an algebraic expression. It is twice the radius. 3996cm is the circumference of a circle if the area is 300 square centimeters. results may be rounded. C. 14 = 95. C = 2πr = πd. 6 mm. q = 23. Use the formula: Circumference = 2 r where "Circumference" represents the total distance around the circle, " " is a mathematical constant approximately equal to 3. 84. Circle Circumference by Diameter. Log in for more information. B. 14) r = 4. If the area of a circle is 58 square feet, find the circumference If the area of a circle is 58 square feet, the circumference is 26. The given area of circle is 300 square centimeters. Circumference = π·d = 3. 9 = 43. 16 square meters is 75. 12 meters B. Questions. 88 in. It is a fundamental object studied in geometry. 28 inches. 14 *r62 , r^2 = 64/3. Created by Sal Khan and Monterey Institute for Technology and Education. Find the circumference of a circle with a radius of 7m. 0 Answers/Comments. A. 0 cm: 628. A square is inscribed in a circle with radius 'r'. Find the diameter of a circle whose circumference is 18. Weegy: The circumference of a circle with a diameter of 45 centimeters is: 141. D. The length of each spoke is 4. 14 *r^2 , r^2 =58/3. 41 in. 56. 84. 47 , r = 4. results may be rounded. 2 cm. Circumference. It is twice the radius. Units. 752 cm2. 37. Summary: The number is the ratio of the circumference of a circle to its diameter. calculate the circumference of a circle with a. r = 4 r = 8 r = 12 r = 16. Diameter. r = 45/2 = 22. 25: 7. 0 m: 78. If the radius of the circle is known, then the equation of the circumference is: C = 2 ( π) ( r) C is the symbol for Circumference. 16 square meters is 75. . 562 millimeters. 1 cm C = Weegy: Circumference = 2*3. If the area of a circle is 58 square feet, the circumference is 26. The formula to find the circumference of the circle is 2πr. 6992 meters B. Find the circumference of a circle if the area is 300 square centimeters. 8. The radius of the circle 28 feet. The length of each spoke is 4. 16/pi or r^2=143. 99 ft. Grace12. Added 7/1/2014 8:21:06 PM Using the formula C = 2pr, find the circumference of a circle with diameter of 28 inches. [ If the circumference of the rim of the wheel is 48 inches, The length of each spoke is 7. 7 centimeters weegyUser: Find the approximate value of the circumference of a circle with the given radius. 4. 14 = 95. 14 *7 = 43. If the area of a circle is 58 square feet, find the circumference. 1. Rating. 7. Question If the area of a circle is 58 square feet, find the circumference. Note: for simplicity, the operations above were rounded to 2 decimal places and π was rounded to 3. 47 , r = 4. 28 in. 14*r^2 , area = 300 , r^2 = 300/3. Calculate A, C and d | Given r. Circumference = 2·π·r = 2·3. 60° D. or 27 ft. 38 cm. 5414 , r = 9. (Use 3. 2π⋅(radius) 2 π ⋅ ( r a d i u s). A. 77 = 61. Circle 2: Circle 1: Let's look at the ratio of the circumference to diameter of each circle: Find the circumference of a circle if the area is 300 square centimeters. User: 4. 9. , the values of 'a' and 'b' are approximately equal). If you have the radius instead of the diameter, multiply it by two to get the diameter. The formula to find the circumference of a circle is. Popular Conversations. A. 22. LOL what are the chances of you. C. which of the following tells an. Area = pi*r^2 = 3. 81 pounds of ground beef are in. New answers. A. 1416 * 45 c = 141. The circumference of a circle if the area is 300 square centimeters. 14. 85 / 3. Therefore, the circumference of the circle = 3. C = 2(22/7)(7 ft) = 44 ft. 29 , Circumference =2 *pi *r = 2 *3. Its elegant simplicity is even reflected in its formulas for finding the circumference and area of any circle: C = 2πr C = 2 π r. J! Need help with finding the circumference of a circle? You're in the right place! CORRECTION = #2 equ. Solution: = *. 25 cm C. The circumference of a circle with a diameter of 12 ft is 37. Putting A, C and d in terms of r the equations are: A = πr2 A = π r 2. in. Calculate. A. 2 (rounded) Log in for more information. The circumference of a circle if the area is 300 square centimeters is : 61. 2. Weegy: The circumference of a circle if the area is 300 square centimeters is 61. 28. weegy. 45 m C. C = 2(pi)r. 29 = 26. 4/5. This answer has been confirmed as correct and helpful. 14*9. The diameter of a circle whose circumference is 18. 74 cm The circumference of a circle if the area is 300 square centimeters. Search for an answer or ask Weegy. ). 5 ft. (Use 3. 24 meters Find the circumference of a circle if the area is 300 square centimeters. Weegy: Jim bought a new pair of glasses. 14 =. A circle's. 38 cm D. EXAMPLE 1 Find the Circumference of a Circle 4 in. 16 square meters is 75. Where A is the area and r is the radius. Here you can find the set of calculators related to circular segment: segment area calculator, arc length calculator, chord length calculator, height and perimeter of circular segment by radius and angle calculator. Solution: C = 2 sqrt pi A C = 2 * sqrt 3. Area = pi*r^2 = 3. 16 square meters is 75. 77 cm The circumference of a circle if the area is 300 square centimeters. 14 ⋅ 16. 12 meters. 1) C = π d. 37. Circumference = 2·π·r = 2·3. 2 (rounded) Log in for more information. Question. 85 m is: 6 m. 61. 16 /3. Find the circumference of a circle that has an area of 452. So the formula for a circle is Pie * r^2. Weegy: 87. 99 ft. 94. 56 mi or 2. A. $2 imes$ π $ imes 7 = 2 imes 3. 16 ; r^2 = 452. irspow. The equation solved for r is r=c/2pi. 85 / 3. C. 14159, but your calculator probably has a button for this. report flag outlined. Weegy: The perimeter of a church window is 60 inches. 7 r = 5. 3. 25 cm D. 16 square meters. Weegy: A package of ground beef costs $6. c = 2πr. B. Get answers from Weegy and a team of really smart live experts. 7 ft. 14 *1 = 6. My Website: Donations: formula for the circumference of a circle that uses radius is: C = 2 π r. Question. 77 = 61. Circumference = Diameter x π. The circumference of the circle is 16 π units or. 5. Find the circle’s area with. The diameter of a circle is the distance from one edge to the other, passing through the center. heart outlined. 2 (*) In terms of area:. Pi π π is approximately equal to 3. Using the formula C = 2pir, find the circumference of a circle with diameter of 28 inches. 14, the answer is 5 x 3. 1416 as the value of Ï . 14159. Original conversation. 6,361. The measurement of the second angle is 140 180 - 40 = 140 degrees User: The length of a rectangle is 12 in. 69 cm C = 61. r=8 C. 14*9. 14 = 144 r = 12 meters. Using the formula C = 2 r, the circumference of a circle with diameter of 28 inches is 88 in. 16 m^2 C = 2 * sqrt 1,420. 16 square meters is 75.