Find the cost of painting 15 cylindrical pillars of a buiding at ₹2.50 per square metre if the diameter and height of each pillar are 48cm amd 7m respectively.
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r=d/2
r=24cm/0.24m
CSA=2*pi*r*h
=44/7*0.24*7
=10.56m^2
cost=15*10.56*2.5
-158.4*2.5
-Rs.396
r=24cm/0.24m
CSA=2*pi*r*h
=44/7*0.24*7
=10.56m^2
cost=15*10.56*2.5
-158.4*2.5
-Rs.396
vaishnaveerani:
It's wrong
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Answer:
- ₹ 396 is the answer of this Question.
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