How many times will the wheel of a car rotate in a journey of 88 km, given that the diameter of the wheel is 56 cm?
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Diameter=56cm
Radius=d/2=56/2=28cm=0.28m
Circumference of wheel=2πr=2×22/7×0.28m
Distance=88km=88000m
No. of time wheel rotate=Distance/Circumference of wheel
=88000×7/2×22×0.28
=2000/0.4=50000.
No. of time wheel rotate=50000 .
Radius=d/2=56/2=28cm=0.28m
Circumference of wheel=2πr=2×22/7×0.28m
Distance=88km=88000m
No. of time wheel rotate=Distance/Circumference of wheel
=88000×7/2×22×0.28
=2000/0.4=50000.
No. of time wheel rotate=50000 .
sagar4784:
the answer came wrong it will be 50000
Sorry there was problem in last step. Now it is right.
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