Sam wanted to put some vertical stones along the boundary of his plot at a distance of 10 m each. If the area of the plot is 450 m2 and the length is 30 m, find the number of stones required.
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Answer:
9
Step-by-step explanation:
length of the plot, l= 30m
area of the plot, A= 450m^2
So, the breadth of the plot , b = A÷l
= 450÷30
= 15m
the distance between two consecutive stones,d= 10m
Now the perimeter of the plot,p = 2(l+b)
= 2(30+15)
= 90m
S, the number of stones required = p÷d
= 90÷10
= 9
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