Question

the radius and height of a cylindrical pillar are 1.4m and 4 m respectively. Find the cost of plastering its curved surface at the rate rs.30 per square meter​

Answer 1

Answer:

1. Curved surface of cylinder=(2×22/7 rh)

=2×22/7×14/10×4

=88/5=88/5×30=528

Answer 2

Answer:

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