WebThe formula used to calculate circle circumference is: C = π · ø. Symbols. C = Circle circumference; π = Pi = 3.14159… ø = Circle diameter; Diameter of Circle. Enter the … WebCircumference of a circle formula = 2πr Let us substitute the known values to find the radius first. 440 = 2πr 440 = 2 × (22/7) × r radius = 70 cm Diameter = 2 × radius Diameter = 2 × 70 Therefore, the radius is 70 cm, …
Area and Circumference of a Circle (Video) - Mometrix
WebJul 3, 2024 · You can calculate the circumference of any circle if you know either the radius or diameter. The formulas are: C = πd C = 2πr where d is the diameter of the circle, r is its radius, and π is pi. So if you measure the diameter of a circle to be 8.5 cm, you would have: C = πd C = 3.14 * (8.5 cm) C = 26.69 cm, which you should round up to … WebWhat is the circumference of a 14 inch diameter? Convert the diameter to radius by dividing it by; 14/2 = 7. r = 7 inch. ... What is the circumference of a 15 ft circle diameter? Diameter is given in We have to convert feet … how big is 12 by 18 inches
What is the circumference of a 12 foot diameter circle?
WebMar 8, 2016 · what is the circumference of the circle round your answer to the nearest foot the circle is 28 ft. A.) 88 ft B.) 84 ft C.) 66 ft **** (ANSWER) D.) 44 ft asked by ariana March 8, 2016 48 answers No -- if the diameter is 28 feet C = pi * d Ms. Sue March 8, 2016 Ms sue does that mean that 44 ft is the answer? answered by Blah May 3, 2024 WebAug 2, 2024 · If you know the area of the circle, divide the result by π and find its square root to get the radius; then multiply by 2 to get the diameter. This goes back to manipulating the formula for finding the area of a circle, A = πr 2, to get the diameter. You can transform this into r = √ (A/π) cm. [3] Example WebJul 5, 2008 · The circumference of a circle with the diameter of 14 ft is: 44 feet. What is the diameter of a circle if the circumference is 14 cm? circumference = pi*diameter … how many national champions has alabama won