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Answer:

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Step-by-step explanation:

AREA of ROAD =100× area covered in 1 revoluation

=100× lateral surface area of road

=100×2 Area of road =100× area covered in 1 revoluation

=100× lateral surface area of road

=100×2πrh

Given,  d=140cm⇒L=2 m→  100

h=1m

=750×2×

140  ×  100

2m ~ 1

=  100

1500×132

=1980m  



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