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OpenStudy (anonymous):
Estimate the length of the radius, if the area of a circle is 247 mm2.
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OpenStudy (alexwee123):
well area of a circle can be defined as A=pi(radius)^2 so if you sub these values in... \[247=\pi(r)^{2}\] now just solve for r...can you do that @Tblack ?
OpenStudy (anonymous):
yeah thanx
OpenStudy (anonymous):
nevermind i cant i just tried
OpenStudy (alexwee123):
lol why not? o.0
OpenStudy (alexwee123):
divide both sides by pi then square root both sides
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OpenStudy (anonymous):
im so lost
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