The formula to find the curved surface area of a sphere is
The inner diameter of a circular well is 3.5 m. It is 10m deep. Find its inner curved surface area,
Diameter of the base of acone is 10.5 cm and its slant height is 10 cm. Find its curved surface area.
The volume of a hemisphere is 2425(1)/(2)cm^(3) . Find its curved surface area.
Diameter of the base of a cone is 10.5 cm and its slant height is 10 cm. Find its curved surface area.
A metal pipe is 77 cm long. The inner diameter of a cross section is 4 cm, the outer diameter being 4.4 cm. Find its outer curved surface area.
The inner diameter of a circular well is 3.5 m. It is 10 m deep. Find (i) Its inner curved surface Area, (ii) The cost of plastering this curved surface at the rate of Rs 40 per m^(2).
The current through a lamp decreases by 1% what is the percentage change in power of the lamp ?
SUBHASH PUBLICATION-SURFACE AREAS AND VOLUMES-EXERCISE 13.9