The radius of a circular wheel is 42 cm, then find the distance travelled by it in 50 revolutions (in metres)

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Solution

In one revolution, the wheel covers the distance of one circumference.
Circumference of the circle $= 2 π r = 2 \times \frac{22}{7} \times 42 = 264 c m = 2.64 m$
Distance travelled in $50$ revolutions $= 50 \times 2.64 = 132 m$

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The radius of a circular wheel is 42 cm. Find the distance travelled by it in:

i) 50 revolution

iii) 200 revolution

The radius of a circular wheel is 42 cm. Find the distance travelled by it in:

(i) 1 revolution;

(ii) 50 revolutions;

(iii) 200 revolutions;

The distance travelled by a wheel in one revolution is equal to its circumference.

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