the diameter of a roller is 84cm and length is 120cm . it takes 750 complete revolution to move once over to level a playground find the area of tha ground......plz answer fast
Answers
Answered by
0
Answer:
radius of roller=42 cm
length=120 cm
area of playground in complete revolution=2πrh
2*22/7*42*120
=31680cm2
area of playground=31680*500=15840000cm2
ar.of ground=15840000/10000
=1584 m2
Similar questions