Question

A circle has a circumference of 312 cm. What is it’s diameter?

Answer 1

99.31

Explanation:

`c=2\pi *r\\d=r*2\\\\`

Solve for r

`312=2\pi *r`

r=49.6563

49.6563*2=99.3127

Hope this helps! :]

Answer 2

Answer: The diameter is about 99.31 cm .

Explanation:

circumference is pie times the diameter.So to find the diameter in this situation,then you need to divide 312 by pie or 3.14

312/3.14= 99.312