Question: The radius of a circle is 16 cm. Find an equation that expresses the ratio of the circumference of the circle to the circle's diameter as π. Show all steps.

Question

asked May 20, 2021 231k views

1 Answer

Zhao · Answer 1 · 2021-05-25T04:52:25+0000

Answer:

C/d = pi

Explanation:

The circumference is given by

C = 2* pi *r

C = 2* pi *16

C = 32 pi

The diameter is 2 times the radius

d = 2*16 = 32

C = pi *d

Divide each side by d

C/d = pi *d/d

C/d = pi