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RD Sharma Solutions Class 8 Mathematics Solutions for Surface Area and Volume of Right Circular Cylinder Exercise 22.2 in Chapter 22 - Surface Area and Volume of Right Circular Cylinder
Question 1 Surface Area and Volume of Right Circular Cylinder Exercise 22.2
Use π = 22/7, unless otherwise indicated
Find the volume of a cylinder whose
(i) r = 3.5 cm, h = 40cm
(ii) r = 2.8 m, h = 15 m
Answer:
(i) Given, r = 3.5 cm h = 40cm
By using the formula,
Volume of a cylinder = πr2h
= 22/7 × 3.5 × 3.5 × 40
= 1540 cm3
(ii) Given, r = 2.8 m h =15 m
By using the formula, Volume of cylinder = πr2h
= 22/7 × 2.8 × 2.8 × 15
= 369.6 m3
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