SOLUTION: If r = 4in, what is the area of a semicircle, rounded to the nearest tenth?

SOLUTION: If r = 4in, what is the area of a semicircle, rounded to the nearest tenth?

Algebra.Com

Question 1003510: If r = 4in, what is the area of a semicircle, rounded to the nearest tenth?
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
The formula for the area of a semicircle is
A = (1/2)(pi)(r^2)
A = (1/2)(3.14)(4^2)
A = 25.1 in^2
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