a cylindircal piller has a diameter of 56cm and is of35m high therevare 16 pillers around the building find the cost of painting the curved surface area of allthe pillers at the rate of rs 5.50per 1m sqauer
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Answer:
d=56cm
r=d÷2
=56÷2
=28cm
height=35m
sac=2πrh
=2×22÷7×28×35
=6160
rate=area×cost
=6160×5.50
=33,880
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