With his usual speed, if a person covers a circular track of radius 150 m in 9 minutes, find the distance that he covers in 3 minutes ( π = 3 14)
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Radius of the circular track = 150m
Distance covers in 9 minutes = Perimeter of the circle
= 2 × π × r units
Distance covered in 9 min = 2 × 3.14 × 150 m
= 2×3.14×150/9m (cancel and simplify)
=314
Therefore Distance he covers in 3 min = 314 m
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Answer:
Distance covers in 9 minutes = Perimeter of the circle = 2 × π × r units
Distance covered in 9 min = 2 × 3.14 × 150 m
Distance covered in 1 min = 2 × 3.14 × 150 m / 9
Distance covered in 3mins = 2 × 3.14 × 150 m × 3/ 9
Distance he covers in 3 min = 314 m.
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