radius is 21 cm how many times will it revolve to travel 66 km
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radius (r) = 21 cm
circumference of wheel = 2x22/7x21 = 132 cm
66 km = 6600000 cm
therefore,
number of revolutions= 6600000 / 132 = 50000
the wheel will have to revolve 50,000 times to cover a distance of 66 km
circumference of wheel = 2x22/7x21 = 132 cm
66 km = 6600000 cm
therefore,
number of revolutions= 6600000 / 132 = 50000
the wheel will have to revolve 50,000 times to cover a distance of 66 km
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