Question

A conical shaped tent has to setup on a cylindrical tent with its radius of base &
height in the ratio 2:1, the height of cylinder & cone are equal and ratio are 7cm.
Then how much cloth required to setup the tent ?
​

Answer 1

Answer:

Let

l

r

=

13

7

=x

Curved surface area CSA=286 cm

2

But CSA=πrl

∴286=

7

22

×7x×13x

or x

2

=

22×13

286

=1

or x=1

∴ r=7 cm

∴ Diameter d=14 cm