2014 · Q89
A rectangle of maximum area is drawn inside a circle of diameter 5 cm. What is the maximum area of such a rectangle?
Elementary MathematicsMensuration
- A25 cm^2
- B12.5 cm^2
- C12 cm^2
- DNone of the above
Explanation
The maximum-area rectangle in a circle is a square of diagonal 5: area = 25/2 = 12.5 cm^2.