Hello, razemsoft21!

Find the shaded area.

Code:* * * * |r/2 * * A| * * o * .|. * .:|:. * * .::O::. * * .::*|*::. * .::*:|:*::. * .::*::|::*::. * * ::*:::|:::*:: * Bo - - - - - oC r

is the center of the circle.

Draw and

Note that is equilateral.

Its height is: .

The height of is: .

The area of is: .