Question
The radius of a right circular cylinder is 3 times its
height. If the height of the cylinder is 3.5 cm, then what is the volume of the cylinder. (in cubic cm)Solution
Given - h= 3.5cm the radius of a circular cylinder = 3h r=3×3.5=10.5cm Now The volume of the cylinder =πr²h = (22/7) ×10.5×10.5×3.5 = (11×3×21×7)/4 =4851/4=1212.75cm³
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