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noahborrelli noahborrelli
  • 27-06-2016
  • Mathematics
Answered

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 value of A(3)?

Verified Answer :

texaschic101
texaschic101 texaschic101
  • 27-06-2016

sub in 3 for r
A(3) = 3.14 3^2
A(3) = 3.14
9
A(3) = 28.26

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