shadowolf5c3 shadowolf5c3
  • 22-07-2017
  • Mathematics
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A(r) is a function that gives the area of ta circle with the radius r. It can be written in an equation form as A(r)=3.14r^2. what is the value of A(5)

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irspow
irspow irspow
  • 22-07-2017
A(r)=3.14r^2, when r=5

A(5)=3.14(5^2)

A(5)=3.14(25)

A(5)=78.5 u^2
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