What the radius of a circle with an area of 64 square feet

asked Nov 20, 2018 74.1k views

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1 vote

Answer:

4.51 ft

Explanation:

Diego Plentz answered Nov 23, 2018

5.5k points

4 votes

a=pir²
64=pir²
divide both sides by pi
64/pi=r²
sqrt both sides
8/√pi=r
(8√pi)/pi=r
aprox
4.51352=r

about 4.5ft is the radius

FBente answered Nov 25, 2018

5.7k points

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