SOLUTION: a circle has an area of 1 m squared. find its diameter

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Question 636241: a circle has an area of 1 m squared. find its diameter
Answer by MathLover1(20849) About Me  (Show Source):
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a circle has an area of 1 m squared. find its diameter
A=r%5E2%2Api where pi=3.14, and radius r is equal to 1%2F2 of diameter d
so, find first r
1m%5E2=r%5E2%2A3.14
r%5E2=1m%5E2%2F3.14
r%5E2=0.32m%5E2
r=sqrt%280.32m%5E2%29
r=0.6m
then d=2r=2%2A0.6m=1.2m