the diameter of a roller is 2.5 metre and its length is 1.4 metre how much area will it cover in 722 ations
Answers
Answered by
3
Answer...
Hope this will help you...
Attachments:
Answered by
1
Answer:
radius of the roller (cylinder) = 2.5/2m
Length = 1.4m
Curved Surface Area = 2pi rh
2x22/7x2.5/2x1.4 = 11m sq
now
ARea covered in 1 revolution = CSA of roller
So, Area covered in 7 revolutions = 7 CSA
= 7x11 = 77m sq
Similar questions