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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
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The circumference of the base of a cylinder is 88 cm and its height is 15 cm. Find the volume of the cylinder.
Answer:
We have,
Circumference of base of cylinder = 88 cm
Height of cylinder = 15 cm
Let ‘r’ be the radius of the cylinder.
By using the formula,
Circumference of base of cylinder = 2πr
So,
2πr = 88
2 × 22/7 × r = 88 r = 88 × 7 / 2 × 22
= 616/44
= 14cm
Radius of cylinder = 14 cm
∴ Volume of cylinder = πr2h
= 22/7 × 14 × 14 × 15
= 9240 cm3
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