Question

the radius and height of a cylainder are inthe ratio 5:7 and it volume is 4499cmcube.find the radius and surface area of the cylainder​

Answer 1

Answer:

Let the radius of the base and height of the cylinder be 5x cm and 7x cm respectively. Then,

Volume = 550 cm

3

7

22

×(5x)

2

×7x=550

22×25x

3

=550

x=1 cm

Hence, radius of the cylinder = 5x = 5 cm.