3 A square park is to be watered. If one side of the park is 4.6m, find the cost of watering the
park at the rate of 45 per square metre.
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Step-by-step explanation:
Area of Square park =side * side
= 4.6*4.6
= 21.16
Cost of watering the square park =rs. 45* 21.16
= rs. 952.2
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