the lateral surface area of a cylinder of hieght 21 cm is 924 cm find its radius of the base and its volume
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radius of the base of cylinder is 7cm and volume is 3234cm 3 Hope its helpful
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Let r be the radius of the base
L.S.A = 924 cm sq.
Height = 21 cm
L.S.A = 2πrh
924 = 2×22/7×r×21
= 132
r = 924/132
r = 7 cm
∴, the radius of the base is 7 cm
Volume of the cylinder = πr²h
Volume = 22/7×7×7×21
Volume = 3234 cm³
∴, the volume of the cylinder is 3234 cm³
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