2012 · Q89
If the circumference of a circle is equal to the perimeter of square, then which one of the following is correct?
Elementary MathematicsMensuration
- AArea of circle = Area of square
- BArea of circle >= Area of square
- CArea of circle > Area of square
- DArea of circle < Area of square
Explanation
With 2*pi*r = 4s, circle area pi*r^2 exceeds square area pi^2*r^2/4 since 1 > pi/4.