Answer:
d = 2r => r = d/2 = 8ft/2 = 4ft
A = π·r²
= π·(4ft)²
= 16π ft²
= 16×3.14 ft²
= 50.24 ft²
16π
Step-by-step explanation:
Area = πr²
r - radius
r = d/2 = 8/2 =4
Area = 4²π = 16π
sry i am dumb
hope this will help you
Are we doing substituion or elimination
