Find the diameter of a circle whose area is 254.34 square inches.

Question

asked Mar 13, 2016 59.8k views

1 Answer

Caleb Waldner · Answer 1 · 2016-03-16T21:33:27+0000

area=pi times radius^2
radius=1/2diameter
2radius=diameter
solver

254.34=pi times r^2
aprox pi to 3.14
256.34=3.14 times r^2
divide both sides by 3.14
81=r^2
square root both sides
9=r
subsitue
2r=d
2(9)=d
18=d
the diameter is 18 inches

Find the diameter of a circle whose area is 254.34 square inches.

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