Ex – 9.2 Que No. 9 Q.9) A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 84 cm and length is 1 m. Solution:- Next Ex – 9.2 Que No. 1 Ex – 9.2 Que No. 2 Ex – 9.2 Que No. 3 Ex – 9.2 Que No. 4 Ex – 9.2 Que No. 5 Ex – 9.2 Que No. 6 Ex – 9.2 Que No. 7 Ex – 9.2 Que No. 8 Ex – 9.2 Que No. 9 Ex – 9.2 Que No. 10
