If you open math book you will find a lot of mathematical
questions but you should have solve this question.
It is from class 10 rd sharma chapter 15.4 mensuration .
In this question we have to find the the area of the shaded
region and the length of the boundary of the shaded region
given that ABCD is rectangle, having AB = 20 cm and BC = 14 cm.
Two sectors of 180° have been cut off.