Question

ratio between the curved surface area and the total surface circular cylinder is 1 : 2. Prove that its height and radius are equal​

Answer 1

Answer:

RADIUS=HEIGHT

Step-by-step explanation:

2πRH/2πR(H+R)=1/2

=H/H+R=1/2

=2H=H+R

=2H-H=R

=H=R.

(HEIGHT = RADIUS)