Mensurationmedium · Past Paper
Find the ratio of the total surface area to the curved surface area of a cylinder of radius r and height h.
A(h+r) : h
B(h+r) : r
Ch : (h+r)
D2h : r
✓ Correct Answer: A — (h+r) : h
TSA / CSA = 2πr(h+r) / 2πrh = (h+r) / h.
Share this question
More from Mensuration
- If the area of an equilateral triangle is 9*sqrt(3) sq. cm, find its perimeter.
- The volume of a cuboid is 120 cm³. If length is 6 cm and width is 4 cm, find its height.
- A tank is 5m long, 4m wide and 3m high. If it is half full of water, what is the volume of water?
- Find the volume of a square-based pyramid with base side 6 cm and height 10 cm.
- The surface area of a sphere is 'S'. If its radius is tripled, the new surface area is: