Question

A cylindrical koe is made from a metal sheet of length 88 cm and breadth 20 cm what is the volume of this pipe

Answer 1

Answer = 2800 cm²

Step-by-step explanation:

We have,

Length (l)=88cm.

Breadth (b) =20cm.

Volume = ?

Volume of cylindrical pipe = 2πrh

We know that,

circumfrance = Breadth = 2πr

2πr = 20

πr = 10

r = 10/ π

r = 10/ 22/7

r= 10× 7/22

r = 70/ 22 cm

r = 35 / 11

Then,

Volume of cylindrical pipe V=πr²h

V = πr²h

V = 22/7 × 35/11 × 35/11 / 88/1

V = 2 × 5 × 35 × 8

V = 2800 cm² Ans

Hence, this is the answer.