Find the cost of painting the circular sheet of radius 7 cm at the rate of 25 per cm2.
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area of circular sheet=πr^2
=22/7×7^2
=22/7×49=22×7
= 154cm^2
cost = 154×25
cost = 3850
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Answered by
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Answer:
area of circular sheet=πr^2
=22/7×7^2
=22/7×49=22×7 = 154cm^2
cost = 154×25 = 3850
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