Question

a rectangular piece of paper is having measures 11cm*4cm it is folded without overlopping to make a cylinder of height 4cm find thr volume of cylinder​

Answer 1

Answer:

38.5

Step-by-step explanation:

REF.Image

A rectangular piece of paper 11cm×4cm is folded to make a cylinder of height 4 cm.

∴ Length of the paper = circumference of the cylinder

∴11=2πr

11=2.

7

22

.r

2×22

11×7

=r

∴r=7/4cm

Volume of the cylinder = πr

2

h

=

7

22

.

4

7

.

4

7

.4

=

2

77

=38.5cm

2

∴ Volume of the cylinder = 38.5cm

3