Math, asked by rumeysaaliqazi, 2 months ago

In a building there are 24 cylindrical pillars.The diameter of each pillar is 56cm and height is 4m.Find

the total cost of painting the curved surface area of all the pillars at the rate of Rs. 15 per sqm​

Answers

Answered by arunapratap143
0
Given data,
24 cylindrical pillars
Diameter of each pillar is 56cm=0.56m, radius=0.28m
Height of each pillar is 4m
For finding the cost of painting we need to find curved surface area of cylinder= 2πrh.
So we get,
C.S.A= 2*22/7*0.28*4
=8*0.8792
=7.0336
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