Question

10. In a water heating system, there is a cylindrical pipe of length 28 m
and diameter 5 cm. Find the total radiating surface in the system.
11. Find the weight of a solid cylinder of radius 10.5 cm and height 60 cm
if the material of the cylinder weighs 5 g per cmº.
12. The curved surface area of a cylinder is 1210 cm and its diameter is
20 cm. Find its height and volume.​

Answer 1

Answer:

gixtidixrjsudimdgitdix sxyirurdudutd