Question

a rectangle lawn 80m×60m has two road each 10m wide running in the middle of it one parallel to the length and the other parallel to the breadth find the cost of gravelling them at ₹ 1.20 per sq. meter​

Answer 1

Step-by-step explanation:

[area of rectangle=80*60=4800m².]

area of roads=800m² is one and 600m²is another =1400m².

But at 1 point they overlape so, the area of that portion will be 10*10=100m².

So, the area of roads=1400-100=1300m²

Cost of gravelling=1300*1.20=1560.Rs.

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Answer 2

Answer:

answer attached in photo