Question

.

Answer 1

call the radius of the circle, r

Answer 2

ok

Answer 3

then the side of the square is (2r)
and the area of the square is (2r)^2

and the area of the circle is Pi*r^2

Answer 4

which circle because there's 2

Answer 5

oh, the two circle halves make one circle

Answer 6

Oh okay. Also, I don't know the radius so how can I know what to put into the formula?

Answer 7

we defined the radius as r

Answer 8

yes