If the radius a circular wheel is 21 cm, then the distance travelled by it in 50
revolutions is:
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Answer:
66m
Step-by-step explanation:
Circumference of the wheel = 2πr
= 2 * 22/7 * 21
= 132 cm
Distance travelled in one revolution = 132 cm
Therefore, distance travelled in 50 revolutions = 50 * 132
= 6600 cm
= 66m
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