Question

the diameter of the base of a right circular is 28 cm and its height is 21 cm find curved surface area​

Answer 1

Step-by-step explanation:

given

1. r=28/2=14
2. h=21

csa of cylinder=2πrh

=2×22/7×14×21

=2×22×2×21

=44×42

=1848cm sq

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