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Mathematics 13 Online
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

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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