15 people found it helpful. 14 = 6. What is the circumference of a circle with a diameter of 45 centimeters? A. We shortened Pi to two decimal points which is why the answer is just approximate. 150° B. We can stop here and write our answer as 64 π . C=2nr d=2r C=nd=n·12=37. 1416 * 452. 14159, but your calculator probably has a button for this. 24 meters C. 14 ·. Radius of the circle = 28/2 = 14 inches. You can find the circumference of a circle in these easy-to-follow steps. A. Log in for more information. meters. Find other quizzes for Mathematics and more on Quizizz for free!. Circumference of a cicle in terms of radius:. 699: feet: 452. We can stop here and write our answer as 16 π . 99 ft. This answer has been confirmed. Solution: C = 2 r = 2 * 3. C= 2 sqrt (pi*A) = 2 * sqrt (3. 1416 c = 94. C = 2(pi)r. 96 inches is the circumference of a circle with diameter of 28 inches. A. 5414 , r = 9. 77 cm The circumference of a circle if the area is 300 square centimeters. Find the circumference of a circle if the area is 300 square centimeters. The point where the string overlaps itself should be marked. Or we can plug in 3. Weegy: 16y = 164 y = 164/16. 24 meters C. Weegy: The circumference of a circle that has an area of 452. Solution: Area = pie *r^2 = 452. Here a three ways to find the circumference or perimeter of a circle: Circumference length formula in terms of radius. 74 cm D. 5414 , r = 9. 97 (*) In terms of diameter:. 88 in. 14 = 141. 54; r = 9. 29 = 26. (use 3. 38 cm C. Using the formulas: A= r2 C=2 r Solve for C: C=2 =2· ·30 =61. Weegy: The perimeter of a rectangle with length 12 m and width 5 m is 34 m. A = 154 cm 2. Now I could multiply this out. The formula to calculate the circumference if you know the radius is as follows: Circumference = 2 x Radius x π π = Pi = 3. 77cm; C = 61. 3984 meter. If Jonathan is twice as old as his sister, how old is JenniferStep 1: Take the formula of circumference and substitute the given values to it. Use the formula: Circumference = 2 r where "Circumference" represents the total distance around the circle, " " is a mathematical constant approximately equal to 3. 2 (rounded) Log in for more information. Plugging this value into the formula, we get C = 2π(30. 14 *4. 28 in. Diameter of 28 inches = radius 28/2 = 14 inches. Area = pi *r^2 , 58 = 3. 38 cm (answer) Log in for more information. 14 for π and multiply. C = 2·π·r. 5. Circumference = π * Diameter. 20. It is twice the radius. 2. User: Find the circumference of a circle that has an area of 452. 16 m^2 C = 2 * sqrt 1,420. 14 = 95. A = 3. D. In the figure above, click 'reset' and drag any orange dot. 14*r^2 , area = 300 , r^2 = 300/3. 4 (rounded) (More) Find the circumference of a circle with a radius of 7m. 1. 4. 4 people found it helpful. This program was built and runs under the Code::Blocks. What is the Circumference of a Circle. Weegy: The area of a square computer screen with 21-inch sides is 441 sq. 5 ft. 16 square meters. The circumference of a circle is π π times its diameter or 2π 2 π times its radius, where π π is approximately 3. If the area of a circle is 58 square feet, find the circumference. 265 cm. Weegy: A solar eclipse (as seen from the planet Earth) is a type of eclipse that occurs when the Moon passes between. Circumference of a cicle in terms of radius:. Rating. If you have the radius instead of the diameter, multiply it by two to get the diameter. Step 2: Take the formula of the area of a circle and substitute the given values to it. 88 in. Circumference = π * Diameter. Find the circumference of a circle that has an area of 452. 141. Use pi = 3. 6992 meters B. Jozeal. To begin with, remember that pi is an irrational number written with the symbol π. 85 / 3. It is twice the radius. 14 to estimate it. 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. A. Area = a^2 = 21^2 = 21*21 = 441 User: Find the circumference of a circle if the area is 300 square centimeters. 1) (7. The radius of a circle from diameter: if you know the. The Circumference (or) perimeter of circle = 2πR. So the Circumference of a Circle: C = 2 π r ; and: C = π d . c = 45 * 3. The circumference of a circle that has an area of 452. 88 in. The circumference of a circle can be found using the formula C = 2πr, where r is the radius of the circle. ) One interesting property about circles is that the ratio of a circle’s circumference and its diameter is the same for all circles. It is a fundamental object studied in geometry. 99 ft. π equals the number 3. C. 96 inches. Find the circumference of a circle that has an area of 452. Using the formula C=2TTr, find the circumference of a circle with a diameter of 28 in. Created by Sal Khan and Monterey Institute for Technology and Education. Log in for more information. 45 m C. The circumference of a circle is the distance around the boundary of the circle. 41 in. D. 1416 * 12 = 75. round your to the nearest inch. Not Answered. 56. 14 to 2 decimal places. D. Thought of as a great circle of the unit sphere, it becomes the Riemannian circle. 44 in. 25 ft. Formula to calculate the circumference of a circle. This answer has been confirmed as correct and helpful. A. A. Asked 4/2/2018 6:54:55 PM. D. 38 cm. 12 meters. D. 9. If the area is known: The formula below allows you to calculate the circumference of a circle using its radius: c = 2 * π * √(a / π) = 2 * √(a /. 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)} . Calculate. 1. 84. 25 cm D. 37. 20 ft. Write cos (arccos (8x) − arcsin (8x)) as an algebraic expression. Using the formula C = 2 r, find the circumference of a circle with diameter of 28 inches. cf = 2 * PI * radius; We calculate the circumference of the circle using the formula 2πr. d = 6 (rounded) Log in for more information. Question. 37. After watching, learn more about circumference!!!know that the general equation for a circle is ( x - h )^2 + ( y - k )^2 = r^2, where ( h, k ) is the center and r is the radius. Find the circumference of a circle that has an area of 452. Identify the circle’s radius, which for this equation will be 20 inches. 3 mm. 16 /3. Using the formula C = 2pir, find the circumference of a circle with diameter of 28 inches. 3984 meters. The diameter of a circle is twice the length of its radius, so you can use either the diameter or the radius in the formula. where the arc length is. 98 m. The circumference of a circle is equal to Pi π π times the diameter d d. 68965 m C = 75. 14*12; C = 37. 81 pounds of ground beef are in. Pre-Algebra. 14*9. 14*r^2 = 452. The constants of proportionality are 2 π and π respectively. Area = pi *r^2 , 58 = 3. 42. You could also times the diameter by 3. The dimensions could be the diameter, in inches Jessa used to draw her circle is 18. 16 square meters is 75. Given the diameter or radius of a circle, we can find the circumference. 29 , Circumference =2 *pi *r = 2 *3. A. The circumference is the distance around a circle. Click on "show radius". 22. 6637 inches 3. The measurement of the second angle is 140°. 56. 38 cm B. Round your answer to the nearest inch. 96 inches. 14 ; r = 12 ; circumference = 2*pi*r ; C = 2 * 3. 56. 2 cm. We shortened Pi to two decimal points which is why the answer is just approximate. Circumstances of a circle with diameter of 28inches. 1) C = π d. 14 x [frac {18} {2} ] We get the circumference as 28. Question. If the circumference of the rim of the wheel is 27 inches, Circumference =2*pi*r , 27=2 *3. 1416 as the value of Ï . 3. results may be rounded. 16; r^2 = 452. 1416 * 452. Diameter. 38 cm B. 9. 29 = 26. 1416 as the value of pie). 84 inches. Here are two circles with their circumference and diameter labeled: Diameter = 1 Circumference ≈ 3. 3 for our example; and; Circumference of the circle is equal to 18. 96 cm D. This answer has been confirmed as correct and helpful. C = 2·π·r. Weegy: The area of a square television screen with 16-inch sides is: 256 square inches. 25 cm D. 16 square meters. 180° Weegy: If two angles are supplementary and one of them is. 38cm Area = 300cm Area = pi*r^2; r^2 = Area/pi; r^2 = 300/3. 14159 (pi), and "r" represents the radius of the circle. 11/20/2023 5:58:08 AM| 5 Answers. 638. Get answers from Weegy and a team of really smart live experts. 61. 5 r = 12. 7 Expert answered| jerry06 |Points 84125| Log in for more information. Search for an answer or ask Weegy. To calculate the circumference of a circle given a radius of 2. r = sqr (A/pi) r = sqr (452. Things to try. 6992 meters B. π⋅(diameter) π ⋅ ( d i a m e t e r) Since the diameter d d is equal to 2 2 times the radius r r, the formula for circumference using radius is 2πr 2 π r. 4 (rounded). Since the diameter is equal to times the radius, the formula for circumference using radius is . 6992 meters C. The formula to find the circumference of a circle is. 47. 1 = 37. A square is inscribed in a circle with radius 'r'. 16 square meters. 56. 5 ft. 14 × 2 = 25. 14 for π and multiply. 7 ft. 4 centimeters Score 1 User: If the circumference of the rim of the wheel is 48 inches, how long is each spoke?. Area = pi*r^2 = 3. 24 meters C. Dermal tissue C. 12 meters B. 14 *r^2 , r^2 =58/3. c = 2πr. The circumference of a circle that has an area of 452. 14)*14 CIRCUMFERENCE = 87. 1416; c = 141. Area = a^2 = 21^2 = 21*21 = 441 User: Find the circumference of a circle if the area is 300 square centimeters. star. You can find a circle’s circumference using its radius and the constant π using the formula: C = 2πr. Find the circumference of a circle if the area is 300 square centimeters. 14*r^2 , area = 300 , r^2 = 300/3. Question. 6 mm. A. 6,361. (Round answer to the nearest hundredth. 38 m (answer). 14 = 95. The circumference of a circle with a diameter of 45 centimeters is: "141. Area = pi*r^2 = 3. com New answers. 32 π = r. 1416 as the value of . Hope this help. The circumference of a circle that has an area of 452. cm C. Calculate. 61. Edit. 1416 c = 141. r = 8. 9 centimeters. Diameter of a Circle. 186 pi is the ratio between a circle's circumference and diameter. 14 , r^2 =20. inches . 75. 2π⋅(radius) 2 π ⋅ ( r a d i u s)Jessa drew a circle with a circumference of 18. 38 meters. Find the best circumstance of a circle that has an area of 452. ; The diameter (red) is a line with both endpoints on the circle going through the center. 16 square maters . 14 * r^2 r^2 = 58/3. 14 for π and multiply. 12 meters C. 16 m^2The circumference of a circle that has an area of 452. 48: inches:Need a custom math course? Visit lesson covers the circumference of a circle. verified. So it's going to be equal to 2 times pi times the radius, times 3 meters, which is equal to 6 meters times pi or 6 pi meters. 14. To calculate the circumference of a circle, use the formula C= pi*D where C is the circumference, D is the diameter and pi is 3. 1. Circumference calculator helps to find the circumference of a circle by using diameter & radius. 0sq. If you are interested in calculations of some fraction of a circle, check:The circumference of a circle is pi times its diameter. 14)*14. Solution: C = pi*d; C = 3. Start Lesson. 186. 14 = 95. 14. Updated 11/11/2020 12:15:57 PM. Formula 1: When the radius of a circle is known. Theory. 5414 , r = 9. Anyways just plug in the numbers and you get you answer. 14 ⋅ 5 C ≈ 15. results may be rounded. 99 ft. 9. The circumference in terms of π is π cm. Round your answer to the nearest inch. 77cm ,. The distance around a circle is called the circumference. ft. 10/17/2023 10:59:59 AM| 6. Therefore, the circumference of the circle is 87. 4/5. Substitute the value of the radius r r into the formula for the area of a circle. 25 (*) (*) 94. If the area of a circle is 58 square feet, find the circumference. 16 square meters. . Area = pi *r^2 , 58 = 3. π⋅(diameter) π ⋅ ( d i a m e t e r) Since the diameter d d is equal to 2 2 times the radius r r, the formula for circumference using radius is 2πr 2 π r. The formula for the circumference of a circle is pi times the diameter of the circle. Find the radius of a circle that has a circumference of 16. To find r, we divide both sides of the equation by 2π. The circumference of a circle is S=2pir where r =radius The area of cirlce is A=pir^2 The diameter is twice the radius d=2r=>r=6 So the. Score 1. We have three approximation formulas to calculate the circumference of the ellipse. 47 r = 4. 16 square meters. r=16The circumference of a circle is pi times its diameter. The formula for the circumference of a circle that uses radius is: C = 2 π r. 14 *r, r = 27 / (2*3. Asked 3/8/2021 5:55:15 PM. Solution: C = 2 sqrt pi A C = 2 * sqrt 3. Example: If the diameter is 12 then the circumference is 37. 75. 74 cm B. An area of a circle can be defined as the area occupied by the circle in a two dimensional plane. 14 *r^2 , r^2 =58/3. 77 = 61. where r is the radius and d is the diameter. D. 16 square meters is "75. It is twice the radius. 5 ft. 9. 64 2π = 2πr 2π. Circular segment - is an area of a "cut off" circle from the rest of the circle by a secant (chord). 3984 meters D. The diameter of a circle whose circumference is 18. 2) C = 2 π r. A. The circumference is a distance measurement that shows the length of the line that creates the outside of the circle. Circumference: the distance around the circle, or the length of a circuit along the circle. 1. Arc: part of the circumference of a circle Major arc: an arc that is greater than half the circumference; Minor arc: an arc that is less than half the circumference; Chord: a line segment from one point of a circle to another point. User: Which type. C = π ⋅ 12in = 38in. S hare your wor ld. Circular segment. Note: for simplicity, the operations above were rounded to 2 decimal places and π was rounded to 3. 38 cm.