OpenStudy (anonymous):

a square circumscribed a circle whose area is 16(pi). What is the area of a square?

OpenStudy (anonymous):

Hint! What is the area of a cirlce?

OpenStudy (anonymous):

circle*

OpenStudy (anonymous):

I don't know. But the choices are : a.16 b.32 c.48 d.64

OpenStudy (anonymous):

A=pi*r^2 So what information have you been given?

OpenStudy (anonymous):

From radar's illustration, the area of the square will be A(s)=4*r^2 BUT...whats the radius? Can you try this alithea?