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OpenStudy (anonymous):
Area of a circle whose radius is 4r. Formula: Area = Pi x radius^2. Pi x 4r^2 : choices: a) 12.56r^2 ; b) 12.56r ; c) 50.24r
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OpenStudy (saifoo.khan):
Do you know the formula for the area of circle?
OpenStudy (anonymous):
Yeahh, n I'm pretty sure it's C, I'm just making sure
OpenStudy (saifoo.khan):
\[\Huge \checkmark\]
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