Question

find the length and breadth of a cardboard require to roll and make a cylinder (hollow without top and bottom) of radius 14 cm and height 40 cm

Answer 1

When we have roll it to make a cylinder so breadth =height=40

Area of cylinder=
2*22/7*14*14=3520
Cmsq

Area of cylinder=area of rectangle
3250=l*40
L=88
Length=88
Breadth=40

Answer 2

Step-by-step explanation:

Hope it is helpful to you!!!