Question

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

Answer 1

Answer:

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

Step-by-step explanation:

The radius is half of the diameter.

Answer 2

Answer:

$r = 22.5in$

Step-by-step explanation:

$d = 2r \\ 45 = 2r \\ \frac{45}{2} = \frac{2r}{2} \\ r = 22.5in$