Question
A rectangular paper sheet of dimensions 33cm ×
16cm is folded in the form of a cylinder along its length. What will be the volume of the cylinder?Solution
Cylinder is folded along the length of rectangle 2πR= 33 R = [33/(2 × 22)]×7 = 21/4 cm Volume of cylinder = πR²h = 22/7 × 21/4×21/4 × 16 = 1386 cm³
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