The ratio of the total surface area to the lateral surface area of 20 cm and height 60 cm, is
We have,
= 
= 
= 
= 
= 4: 3
Therefore, option C is correct
23
The ratio of the total surface area to the lateral surface area of 20 cm and height 60 cm, is
We have,
=
=
=
=
= 4: 3
Therefore, option C is correct