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 t
he value of A(5)?
A:31.40
B:78.50
C:28.14
D:246.49
1 answer:
B: 78.50
If you plug in 5 for r, then you get 3.14 * 25, which is equal to 78.5
Hope this helps!
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