EXERCISE 20B
1. A rectangular grassy plot is 75 m long and 60 m broad. It has a path of width 2 m all arom
it on the inside. Find the area of the path and the cost of constructing it at 125 per m2
Answers
Step-by-step explanation:
Area of plot = 75*60=4500m^2
length of plot including path = 75+2= 77m
breadth of plot including path= 60+2 = 62m
area of plot including path = 77*62 = 4774 m^2
area of path= area of path including road- area of plot
= 4774-4500
= 274m^2
cost of construction per m^2= ₹125
cost of construction of path = ₹ 125*274
= ₹34250
Answer:
area of plot = 75*60=4500m^2
length of plot including path = 75+2= 77m
breadth of plot including path= 60+2 = 62m
area of plot including path = 77*62 = 4774 m^2
area of path= area of path including road- area of plot
= 4774-4500
= 274m^2
cost of construction per m^2= ₹125
cost of construction of path = ₹ 125*274
= ₹34250
Step-by-step explanation:
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