Answer:
4
Step-by-step explanation:
using the rule of radicals
× ⇔
=
= ×
= 4
Rewrite 32 as the product of 16 and 2:
Apply exponent rule
Rewrite 16 as 4²:
1
The radius is half the size of the diameter.
2 / 2 = 1
The perimeter is just the sum of all the side lengths, so you have
im pretty sure you got it right with 40!!