Question

The height of a cylinder is 21 cm and diameter is 7cm.Find its curved surface area.

Answer 1

Answer:

462 cm^2

Step-by-step explanation:

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Answer 2

given,

h=21cm

r=7/2cm

CSA=

$2 \times 22 \div 7 \times 7 \div 2 \times 21 = 462$