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If you mean formula for vircles. It is EQUATION .
Circumference equals 'pi' multiplied to the diameter , or
Circumference equalls 'pi' multiplied to '2' and the radius.
C = pi*d
C = 2pir
The '*' means multiply.
pi ~ 3.14 or ~ 3.1416 or ~ 22/7
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What is the formula for finding the circumference with radius?
the circumference is two times the radius, or 2r. so if the radius was 3, the circumference would be 6. if the radius was 4, the circumference is 8.
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diameter times 3.14159
What is the circumference of a 12 feet diameter circle?
circumference = diameter x pi where pi is a constant = 3.14159 circumference = 12 x 3.14159 = 37.69908 feetPlease see the article on finding the circumference of a circle:How_do_you_find_the_circumference_of_a_circle
What is the formula of finding the area with a given circumference?
3.14 to the 2 power
What is the formula for finding the circumference of a circle with diameter?
PI times the DIAMETER
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