Find the ratio between the total surface area of a cylinder to its curved surface area, given that its height and radius are 7.5 cm and 3.5 cm.
Given,
Radius of cylinder = 3.5 cm
Height of cylinder = 7.5 cm
So,
= 
18
Find the ratio between the total surface area of a cylinder to its curved surface area, given that its height and radius are 7.5 cm and 3.5 cm.
Given,
Radius of cylinder = 3.5 cm
Height of cylinder = 7.5 cm
So,
=