Question

a right circular cylinder just encloses a sphere of radius 10

Answer 1

Step-by-step explanation:

Solution

(i) SA of sphere =4πr

2

(ii) Height =r+r=2r

radius =r

⇒Curved Surface Area=2πrh=2πr(2r)=4πr

2

(iii) Ratio =

4πr

2

4πr

2

=

1

1

or 1:1

Hope it will help you