Question

the radius of a circular pipe is 13 cm .what length of tape is required to wrap around the pipe at once.

Answer 1

Answer:

Step-by-step explanation:The pipe will be hollow in shape, so the tape required is Curved Surrface Area of Cylinder (CSA).

Given radius=13cm

Csa of Cylinder=2πrh

Therefore tape required=2x22/7xhx13

The height of cylinder must be given otherwise it's incomplete question