the diameter of a circular field is 56 m. find its circumference and cost of fencing it at the rate of ruppes 80 per m.
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r= 56/2= 28m
c = 2πr
= 2× 22/7×28
= 176m
at rate of rupees 80 per m. = 176×80
= 1408 rupees
c = 2πr
= 2× 22/7×28
= 176m
at rate of rupees 80 per m. = 176×80
= 1408 rupees
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