The cost of putting grass in a sqare lawn is Rs.3888 at Rs12 per square metre. Find the length of the side of the lawn.

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Solution

Total cost of putting grass in the square lawn = Rs.3888
Cost of putting grass per square metre = Rs.12
So, area of square lawn = $\frac{3888}{12} = 324 m^{2}$
Then each side of square lawn = $\sqrt{324} = 18 m$
Therefore length of the side of the lawn is 18 m.

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The cost of putting grass in a sqare lawn is Rs.3888 at Rs12 per square metre. Find the length of the side of the lawn.

Total cost of putting grass in the square lawn = Rs.3888 Cost of putting grass per square metre = Rs.12 So, area of square lawn = 388812 = 324 m2 Then each side of square lawn = 324 = 18 m Therefore length of the side of the lawn is 18 m.

Total cost of putting grass in the square lawn = Rs.3888
Cost of putting grass per square metre = Rs.12
So, area of square lawn = $\frac{3888}{12} = 324 m^{2}$
Then each side of square lawn = $\sqrt{324} = 18 m$
Therefore length of the side of the lawn is 18 m.