engineering recuitment GATE CSE 2023-24 Test Series General Aptitude Numerical Ability Numerical Reasoning
A circle with center O is shown in the figure. A rectangle PQRS of the maximum possible area is inscribed in the circle. If the radius of the circle is a, then the area of the shaded portion is _______.
1
πa2 – a2
2
πa2 - √2a2
3
πa2 – 2a2
4
πa2 – 3a2