1. A ground is in the form of a circle whose diameter is
420 m. An athlete makes 5 revolutions. Find the
distance covered by the athlete.
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1. A ground is in the form of a circle whose diameter is
420 m. An athlete makes 5 revolutions. Find the
distance covered by the athlete.
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Answer:
4200 m
explanation
first we need to find the length of its circumference,
we know diameter divides the circle into 2 equal halves.
circumference = diameter × 2
= 420×2 = 840m
distance covered by the athlete = circumference × 2. =840×5
=4,200m
so , the athlete covered a distance of 4,200 metres.
hope it helped....