Question

1. Find the area of the shaded portion in the following figure. ​

Answer 1

First find the area of whole figure

area of triangle = 1/2×bh

= 1/2×20×8

=80m²

now area of unshaded part

area of rectangle = L×b

= 5×4

= 20 m²

area of shaded part = 80m² - 20m²

= 60m²