Question

find the area of the shaded region in the following figure

Answer 1

AREA OF RECTANGLE=40×20

=800cm²

AREA OF TRIANGLE=1

__ ×20×10

2

AREA OF TRIANGLE=100CM²

AREA OF AHADED REGION =800-100

ANS=700cm²

Answer 2

area of rectangle -area of triangle

=l×b=20×40=800cm-1/2×b×h

800cm-1/2×20×10

800cm-100cm

=700cm2