2014 · Q64
A square is inscribed in a circle of diameter 2a and another square is circumscribing the circle. The difference between the areas of the outer and inner squares is
Elementary MathematicsGeometry
- Aa^2
- B2a^2
- C3a^2
- D4a^2
Explanation
Outer square area = (2a)^2 = 4a^2; inner = 2a^2; difference = 2a^2.