The cost of putting grass in a square lawn is ₹3888 @ ₹12 per square metre. Find the length of the side of the lawn
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Answered by
25
Let the length of the side of the lawn be (a)metres
Area of the square lawn=(a²) m²
Cost of putting grass=Rs.(12×a²)
3888=12a²
a²=3888/12=324
a=√324=18 m(Ans.)
Area of the square lawn=(a²) m²
Cost of putting grass=Rs.(12×a²)
3888=12a²
a²=3888/12=324
a=√324=18 m(Ans.)
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3
Answer:
#18 ans.
Step-by-step explanation:
Let the length of the side of the lawn be (a)metres
Area of the square lawn=(a²) m²
Cost of putting grass=Rs.(12×a²)
3888=12a²
a²=3888/12
324
a=√324
18 m
thanks
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