Question

What is the diameter (in cm) of a solid right circular cylinder whose height is 6 cm and the area of the curved
surface is five times the combined area of the two flat surfaces!​

Answer 1

Answer:

Volume of cylinder of radius r and height h is given by =πr

2

h as radius =

2

Diameter

=

2

6

=3cm

⇒ Volume =

7

22

×(3)

2

×14=22×9×2=44×9=396cm

3