a road roller take 900 complete revolution to move once to level a roa – InterviewSolution

1.	a road roller take 900 complete revolution to move once to level a road fully. find the area of the road , if the diameter of the cylindrical wheel of the road roller is 98cm and length 1.25m
Answer» diameter of wheel = 98cm radius of wheel =49CM LENGTH of wheel = 125CM circumference of wheel = 2πr(r+h) =2×22/7×49(48+125) =38548 sq. CM so,in 1 round of roller complete 38548 sq. cm so, total area covered in 900 round = 900×38548 =346932 sq. cm but approx 34.69 sq. m Step-by-step explanation:

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