The radius of 80m long road roller is 77 CM. Calculate the number of revolution that it will take to cover an area of 96.8m^2
anandthegreat:
roller 80cm hai ya 80m
please conform!!
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Area of playground =120*44 m^2
in cylinder,
height =1.2 m
diameter =0.7 m
radius= 0.35
c. s. a =2πrh
=2*22/7*0.35*1.2
=2.64
no of revolution =area of playground/c.s.a
=120*44/2.64
=2000
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