The dimension of a rectangle is given. There are two circles of equal size that are inscribed inside it.The circles are tangent to each other and to the rectangle.
Find the area of of the shaded portion i.e. the portion except the one in the left corner. https://serving.photos.photobox.com/548184863a4e0febc2ad9bcde612bc8f456b9f514872de1da2fd079928011d6c6006f516.jpg
Nb. I believe its more fun & ethical to try and figure out the answer by urself instead of just loooking for the ratio on the test suites.