The diameter of the wheel of a unicycle is 0.8m. David tries to ride the unicycle and manages to go in a straight line for 24 full revolutions before falling off. How far did David manage to cycle in metres? Give your answer to 1 DP
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diameter= 0.8m
π = 3.14
revolutions= 24
distance=?
formula:
distance= number of revolutions
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circumference
distance= 24
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(22/7)×0.8
distance= 24/(17.6/7)
= 24×7/17.6
= 168/17.6= 9.54bar
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