Question

The radius of a circle is 12 cm. What is the approximate circumference of the circle? (Use = 3.14.)

Answer 1

pi is the ratio of circumference to diameter

Answer 2

these r answers

75 cm





452 cm





38 cm

Answer 3

Pi = Circumference / Diameter

Answer 4

Diameter is the length of two radius

Answer 5

ok

Answer 6

We want the Circumference

Pi = C / d

C = Pi * d

Answer 7

diameter is two radius, d = 2r

Answer 8

C = Pi * d

C = Pi * 2r

Answer 9

whats the answer

Answer 10

do u kno

Answer 11

Circumference is pi times twice the radius.

Answer 12

circumference of a circle radius 12 cm is http://www.wolframalpha.com/input/?i=3.14*2%2812cm%29