COMEDK2019MathematicsArea Under Curves
The maximum area of a rectangle that can be inscribed in a circle of radius 2 units is (in square units)
Options
- A4
- B8
- C8
- D5
Correct answer
C. 8
Step-by-step solution
The area of a rectangle that can be inscribed in a circle will have maximum area when it is a square. Let a be the side of square A B C D . Then, aligned A B²+B C² &=A C² a²+a² &=(4)² 2 a² &=16 a² &=8 aligned Area of square is 8 sq units.