HOW MANY TIMES A WHEEL OF RADIUS 21 CM MUST ROTATE TO GO 924M
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Answered by
10
The wheel will rotate 700 times.
Given data :
Wheel's radius = 21 cm
Total distance to cover = 924 m = 92400 cm
So,the wheel's perimeter = 2×π×21 = 2 × 22/7 × 21 = 132 cm
The wheel will cover 132 cm in one rotation
So, he will complete 92400 cm in = (92400÷132) = 700 rotations (answer)
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Answered by
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Answer:
700 times a wheel of radius 21cm must rotate to go 924 km
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