A square of side length 10 is placed so that its corner, \(A,\) is exactly at the center of a square of side length 6. The squares intersect at point \(B\) as shown; the length of line segment \(BC\) (connecting \(B\) to a corner of the smaller square) is 5.
What is the area of the green quadrilateral?
If you get stuck, try drawing some lines on the figure to help you out.
by Brilliant Staff
