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प्रश्न
If a rectangular sheet having dimensions 22 cm x 11 cm is rolled along its shorter side to form a cylinder. Then the curved surface area of the cylinder so formed is:
विकल्प
968 cm2
424 cm2
121 cm2
242 cm2
उत्तर
242 cm2
Explanation:
Rectangular sheet having dimensions 22 cm × 11 cm.
∴ Curved surface area of the cylinder = 22 × 11
∴ Curved surface area of the cylinder = 242 cm2.
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