Question

I have a diameter of 45 in, what is the radius ?

Answer 1

if the diameter is 45 in the radius would be 22.5 in

Explanation:

The radius is half of the diameter.

Answer 2

`r = 22.5in`

Explanation:

`d = 2r \\ 45 = 2r \\ (45)/(2) = (2r)/(2) \\ r = 22.5in`