Question

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

Answer 1

Answer:

find the length and breadth of a cardboard required to roll and make a cylinder(hollow without top or bottom) of radius as 14cm and height 40cm. and circumference = length = 2 * 22 / 7 *14 = 88 cm ...

hope this helps you

Answer 2

Answer:

we know that, formula of cylinder = pie×r^2×ht

here, lendth=2×22/7×14cm

so, 2×22/7× 14cm

=2×22×2cm

=44×2cm

=88cm

And,breadth=2×22×2×40cm

=2×22×2×40

=88cm×40cm

=3520cm