Answer:
12.56 ft²
Explanation:
Radius = 4/2 = 2 ft
Area = 3.14 × 2²
= 12.56 ft²
=12.56 ft^2
First we need to find the radius
r = d/2 = 4/2 =2
Then we can find the area
A = pi r^2
= pi ^ 2^2
= 4pi
= 4*3.14
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