Question

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 1

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: