The distance traveled by a cyclist moving on a circle of radius 15 m. If he makes 3.5 revolution is ___?
Answer: 105π m
Explanation
The circumference of the circle is:
2 × π × r = 2 × π × 15 = 30π m
Distance traveled in 3.5 revolutions:
= 3.5 × 30π
= 105π m
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