B. A rectangular groby plot is 116 m byen
It has a goravel path 2.5 m wide all round
it on the side. Find the area of the path.
( draw an Appropriate figure )
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Answer:
Length of plot =56m
Breadth of plot =39m
Area =l×b
=56m×39m
=2184m
2
→ In rectangle ABCD
Length =56m+2.5m+2.5m
=61m
Breadth =39m+2.5m+2.5m
=44m
Area =l×b
=61m×44m
=2684m
2
→ Area of path = Area of ABCD− Area of plot
=2684m
2
−2184m
2
=500m
2
→ Cost of constructing =24.50 per square m.
=500m
2
×24.50
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