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Radii, Chord, Diameter and Circumference of the Circle

The diameter ...

Question

The diameter of a wheel is 15.4 cm. Calculate the distance travelled when it completes 150 revolutions.

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Solution

C = πd = ×15.4 cm = 48.4 cm

Distance travelled when the wheel completes one revolution = 48.4 cm

∴ Distance travelled when the wheel completes 150 revolution = 48.4 × 150 cm = 7260 cm

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