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A rectangular grassyplot is 112m long and 78m broad. It has a gravel path 2.5m wide all around it on the inside. Find the area of path and the cost of constructing it at the rate of 1.80 per sq. m .

• maths -

outside area =: 112*78 = 8736
grassy area: (112-5)(78-5) = 7811
path area: 925
cost: 925*1.8 = 1665

• maths -

How grassy area is find

• maths -

The outside of area =112*78=8736
The grassy area =(112-5) (78-5)
=7811
The path of area =8736
-7811
------
=925
The cost of constructing it=925*4.50

By D. K. SIR. S. C. C. SCHOOL.

• maths -

The outside of area =112*78=8736
The grassy area =(112-5) (78-5)
=7811
The path of area =8736
-7811
------
=925
The cost of constructing it=925*4.50

By D. K. SIR. S. C. C. SCHOOL.

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