Question
Circumference of one of the bases of a right circular
cylinder is 176 cm. If height of the cylinder is 4 cm more than its radius, then find the volume (in cm³) of the cylinder. (Use π = 22/7)Solution
Circumference of base of cylinder = 2 × π × radius So,
2 × (22/7) × radius = 176 Or,
radius = 28 cm Height of the cylinder = 28 + 4 = 32 cm Therefore,
Volume of cylinder = π × radius² × height = (22/7) × 28² × 32
= 78,848 cm³
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