Question

There was a cylindrical can in the room , it was melted and moulded into 3 equal cones . lf the volume of cylinder is 16 7.75 and the diameter is ½ of 7 . Find the height . Find the volume of each cone and the total surface area of Cylinder & cone . Find the ratio of total surface area and volume of the cylinder and cone . ​

Answer 1

Answer:

half wali kar ka nikal Or last ma cut kar dana answer aagya ga bro

Answer 2

A sphere is inscribed in a cylinder

here height of cylinder h=2r

Volume of sphere  =  

3

4

​  

πr  

3

 

and Volume of cylinder =πr  

2

h

=πr  

2

(2r)

=2πr  

3

 

​  

 

Ratio of volume of sphere to volume of cylinder =  

3×2πr  

3

 

4πr  

3

 

​  

=2:3