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lorasvet [3.4K]
3 years ago
10

A(r) is a function that gives the area of a circle with radius r. It can be written in equation form as A(r)=3.14r2. What is the

values of A(5)?
Mathematics
1 answer:
GREYUIT [131]3 years ago
3 0
F(r) = 3.14r^2....and ur looking for f(5)....so basically all u do is sub in 5 for r.

f(5) = 3.14 * 5^2
f(5) = 3.14 * 25
f(5) = 78.50 <===

THE ANSWER IS 78.50

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