Question

Que. 8. An origination takes the responsibility of maintaining 10 cylindrical pillars each of base
radius 21cm and height 5m of a school, and a hemi spherical dome of base radius 1.4m
standing on 5 similar pillars as mentioned before. If the painting cost is Rs.60/- per sqm
then find (a) C.S.A. of 1 pillar (b) C.S.A. of 15 pillars ( C) C.S.A. of hemisphere (c) cost of
painting of 15 pillars and dome.​

Answer 1

Answer:

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