A rectangular lawn is 30m by 20m. It had two roads each 2m wide running in the middle of it, one parallel to the length and the other parallel to the width .Find the cost of paving the roads at rupees 12.50 per m².
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Step-by-step explanation:
area of rectangular lawn = 30*20
= 600 m2
area of road 1 = 30*2
= 60 m2
area of road 2 = 20*2
= 40 m2
common area = 2*2
= 4 m2
total area of roads = (r1 + r2 - ca)
= (60 + 40 - 4)
= (100 - 4)
= 96m2
1m2 = 12.50
96m2 = 1200
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