The area of the colored region in the figure will be = (Area of X) (Y) (Area of Z). Identify X, Y and Z.
ABCD + PQRS
PQRS - ABCD
ABCD - PQRS
PQRS + ABCD
The area of the shaded region = Area of the larger circle – area of the smaller circle i.e.,
= Area of ABCD – Area of PQRS