Question

A circular Ifield of diameter 42 m needs to be cleaned. if the cost of cleaning the field is Rs. 2.35 per m2, find the cost of cleaning the field?. ​

Answer 1

Answer:

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Step-by-step explanation:

GIVEN,

d = 42 m

∴ r = 21 m

we have to find te area of the circular feild

∴ ar ( circlcular field ) = π r ² = 22/7  x  21  x  21

                                = 22  x  3  x 21

                               =1386 m²

therefore cost of cleaning 1 m² = Rs. 2.35

therefore cost of cleaning 1386 m² =  2.35  x  1386  = ₹ 3257.1      

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