Question

a metal pipe is 77 cm long, the inner diameter of the cross- section is 4 cm and the outer diameter is 4.8 cm. find the
1. inner curved surface area
2. outer curved surface area
3. total surface area.

Answer 1

the answer of your first question is 968 CM square the answer of your second question is 1161. 6 CM square the answer of your third question is 203 8.8 CM square