Question

The area of the shaded part in the figure given below is

Answer 1

R.E.F. Image.

Area of shaded region

= Area of rectangle AEFD - [Area of rectangle ABCD + arc(BEF)]

$=(10\times 2)m^2-[8\times 2+\frac{1}{2}\times 2\times 2]m^2$

$=20m^2-[16+2]m^2$

$=20m^2-18m^2$

$=2m^2$