Question
The radius of a cylinder is equal to the radius of a
circle whose circumference is 88 units. If the height of the cylinder is 50% more than its radius, find the curved surface area of the cylinder.Solution
ATQ, Let radius of the circle be = r. So, 2 * (22/7) * r = 88 Or, r = 88 * 7 / 44 r = 14 units Height of cylinder is 50% more than radius: Height = 14 * (100 + 50) / 100 = 14 * 150 / 100 = 21 units So, curved surface area of cylinder = 2 * (22/7) * 14 * 21 = 1848 unit²
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