Mensurationhard · Past Paper
The area of a circle and a square are equal. What is the ratio of the side of the square to the radius of the circle?
A1 : sqrt(pi)
Bsqrt(pi) : 1
Cpi : 1
D1 : pi
✓ Correct Answer: B — sqrt(pi) : 1
s^2 = pi*r^2 => s/r = sqrt(pi). Ratio is sqrt(pi) : 1.
Share this question
More from Mensuration
- A road roller is cylindrical in shape. If its diameter is 1 m and length 1.4 m, what is the area it covers in 500 revolutions?
- Two spheres have surface areas in the ratio 16:25. What is the ratio of their radii?
- If the radius of a sphere is increased by 10%, what is the percentage increase in its volume?
- The area of the base of a cylinder is 154 sq. cm and height is 5 cm. Find the volume.
- A cylinder has a base radius of 7 cm and a total surface area of 748 cm². Find its height.