12. A 115-m-long and 64-m-broad lawn has two roads at right angles, one 2 m wide, running
parallel to its length, and the other 2.5 m wide, running parallel to its breadth. Find the
cost of gravelling the roads at 60 per m².
3. A rectangular field is 50 m by 40 m. It has tu
per m
n?
Answers
Answered by
2
Answer:
23,100
Step-by-step explanation:
Area of road parallel to length= l ×b
=2×115m2
=230 m2
Area of road parallel to width= l×b
=2.5×64
=160m2
Total area of road= 230+160-(2.5×2)m2
=385m2
Money invested to gravelling the road= RS (60×385)
=RS 23100
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