Question

C = 2r pi for r

Answer 1

Do you know what the C (circumference) value is?

Answer 2

it did't say

Answer 3

First, divide both sides by 2. you do that by putting /2 on each side
can you do that ?

Answer 4

C = 2 pi r; for r

Answer 5

yes, now divide both sides by 2. you do that by putting /2 on each side
can you do that ?

Answer 6

C/2pi = r
r = C / 2pi <===ANSWER

Answer 7

yes, if you do it in one step. divide by 2pi all at once.