Question

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:

Options

• 968 cm²

• 424 cm²

• 121 cm²

• 242 cm²

Answer 1

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.