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19-07-2021
Mathematics

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The circumference of a circle is 17pi ft. what is the area, in square feet?

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

19-07-2021

Answer:

72.25 pi ft^2

Step-by-step explanation:

The circumference of a circle is

C = 2*pi*r

17 pi = 2*pi*r

Divide each side by 2pi

17 pi / 2pi = 2 pi r / 2pi

17/2 = r

We want to find the area

A = pi r^2

A = pi ( 17/2) ^2

A =289/4 pi ft^2

A = 72.25 pi ft^2

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