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
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
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
Similar questions