6. A cylindrical piller has a diameter of 56 cm and is of 35 m high. There are 16 pillars
around the building. Find the cost of painting the curved surface area of all the pillars at
the rate of 5.50 per 1 m
I m?
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Answered by
5
Answer:
5420.8
Step-by-step explanation:
radius of piller = 56/2 = 28cm = 0.28 m
CSA of 16 pillers = 16 × 2πrh
= 16 × 2 × 22/7 × 0.28 × 35 = 985.6 m^2
cost of painting all pillers
= 985.6 × 5.50 = 5420.8
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4
Answer:
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