The diameter of a road roller is 98 cm and it is 1 m long. Find the number of complete
revolutions it should take to move once over to level a road which is 539 m long and 4
m wide.
Answers
Answered by
2
x × csa of roller = area of road
x × pi r h = l × b
x × 22/7 × 49 × 100 = 53900 × 400
x × 22 × 7 × 100 = 53900 × 400
53900 × 400
x = ---------------------
22 × 7 × 100
53900 × 4
x = -----------------
154
215600
x = -------------
154
x = 1400 ans
x × pi r h = l × b
x × 22/7 × 49 × 100 = 53900 × 400
x × 22 × 7 × 100 = 53900 × 400
53900 × 400
x = ---------------------
22 × 7 × 100
53900 × 4
x = -----------------
154
215600
x = -------------
154
x = 1400 ans
Similar questions