a wheel has a diameter 84 cm .find how many reviolutios must it make to cover 396 meters
Answers
Answered by
0
diameter =0.84 m
radius=0.42m
circumference=2πr=0.84π
number of revolutions=distance/circumference=396/0.84π= 150
radius=0.42m
circumference=2πr=0.84π
number of revolutions=distance/circumference=396/0.84π= 150
Answered by
1
d=84
r=42
c=2r
=2*42=84
396m=39600cm
x*84=39600
x=39600/84
=39600/84*7/22
=150
r=42
c=2r
=2*42=84
396m=39600cm
x*84=39600
x=39600/84
=39600/84*7/22
=150
Similar questions