alexxpg alexxpg

27-03-2020
Mathematics

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What's the radius of a circle with an area of 16π ft2

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wegnerkolmp2741o wegnerkolmp2741o

27-03-2020

Answer:

r= 4 ft

Step-by-step explanation:

The area of a circle is given by

A = pi r^2

We know the area is

16 pi = pi r^2

Divide each side by pi

16 pi/pi = pi r^2/pi

16 = r^2

Take the square root of each side

sqrt(16) = sqrt(r^2)

4 =r

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