Answer:
7
Step-by-step explanation:
i know
Answer:
C) 
Step-by-step explanation:
The formula for area is
A=pi * radius ^2
If the diameter is 40, the radius is 20
Therefore

Answer:
thats why they put premium
Step-by-step explanation:
;(
I think the answer is D. 170 but if I’m wrong I’m totally srry