Question

What’s the area of the shaded region? Given that the side of the square = 1 unit.

• A.
• B.
• C.
• D.

Answer 1

The correct option is D

Ans: d)

Soln: Consider the double shaded area.

Area: (Area of quadrant) – (Area of triangle).

($\frac{\pi }{4}$)-($\frac{1}{2}$ x 1 x 1). Total shaded area is twice of this

= 2 ($\frac{\pi }{4}$) - ($\frac{1}{2}$ x 1 x 1); = $\frac{\pi }{2}$ -1,