7. A playground is 38 m 50 em long and 61 m 50 cm wide. Find:(a) the c – InterviewSolution

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7. A playground is 38 m 50 em long and 61 m 50 cm wide. Find:(a) the cost of levelling it at 40 per m(b) the number of roundsalong the boundary one should take to run 2 km

Answer»

L= 38*100+50 = 3850 CM B = 61*100+50 = 6150 CMArea = L*B= (3850*6150) = 1937.25 m square

Total cost = 1937.25*40 = 77490 Rs

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