Question

A metal pipe is 77 cm long, the inner diameter of the cross- section is 4 cm and the outer diameter is 4.4cm.
Find the
1. inner curved surface area
2. outer curved surface area
3. total surface area.

Correct answer with steps please ​

Answer 1

Answer:

: It is given that there is a metal pipe that is 77 cm long. The inner diameter of a cross section is 4 cm, the outer diameter is 4.4 cm. We have found that Inner curved surface area = 968 cm², Outer curved surface area = 1064.8 cm² and the Total surface area = 2038.08 cm².