Question

The perimeter of a square courtyard is 144 m. Find the cost of cementing it at the rate of of ₹5 per m2
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Answer 1

Answer:

36 is each side so area will be 36×36

$36 \times 36 \: = \: 1296 \: m\: ^{2}$

cost of cementing

$5rs \times 1296m^{2} \: = \: 6480rs$

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