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Algebra
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OpenStudy (anonymous):
help me
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OpenStudy (luigi0210):
*Question~
OpenStudy (anonymous):
if a wire is bent into the shaped of a square , then the area of the square is 81cm^2 when wire is bent into a semi circular shape , then the area of the semi circle will be
OpenStudy (luigi0210):
Do you know the formula for area of a square?
OpenStudy (anonymous):
yes i got ans but this not match with options
OpenStudy (luigi0210):
So you got 9 as the side? The diameter will be 9 as well, and we must cut that into fourths
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