Question

find the area of shaded part

Answer 1

Area of the whole rectangle=25×15

=375

Area of the middle rectangle=13×8

=104

Area of the smaller rectangle in the upper right corner =3.5×6

=21

=21×4=84

Area of the upper middle rectangle

=13×3.5=45.5

Then minus the whole area of sum of the upper and middle and right corner answer would be 188m