Question

I need help with math please help me!​

Answer 1

9.55 cm

Explanation:

The circumference is also called the perimeter, which is the length of the outline of any shape.

So,

`Perimeter = \pi *diameter\\30 cm = \pi * d\\\\d = (30)/(\pi) cm\\\\d=9.54929658551\:cm\\d=9.55\:cm`