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The diameter of the base of a cylindrical vessel is 30 cm and its height is 56 cm. Find its curved surface area (in cm²).
Question

The diameter of the base of a cylindrical vessel is 30 cm and its height is 56 cm. Find its curved surface area (in cm²).

A.

6080

B.

6280

C.

5280

D.

5080

Correct option is C

Radius = Diameter / 2
Radius = 30 cm / 2 = 15.0 cm
CSA = 2πrh
CSA = 2 × π × 15.0 cm × 56 cm
CSA = 2 × 227\frac{22}{7}​ × 15.0 cm × 56 cm
CSA = 5280 cm2cm^2​​

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