4, A bicycle wheel is 1 m 26 cm in diameter. Calculate
(i) the distance travelled in one rotation of the wheel and
(ii) the number of rotations of the wheel needed to cover 1.98 km.
Answers
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Step-by-step explanation:
dia=1m26cm=1.26m
rad=0.63
one rotation = perimeter of wheel
=2×22/7×0.63
=3.96m
rotations to cover 1.98km=1.98/3.96
=500 rotations
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