Ranjeetha walks around the circular park in 15 minutes. If she walks at the rate of 5 km/hr, how much distance would she have to travel, at the minimum, to reach the centre of the park from any point on its perimeter?
Rajneetha covers around park 2pr in 15 minutes at speed 5 km/hr
Distance covered = S × T
= 1250 m
2πr = 1250 m
r`=(1250xx7)/(2xx22)`= 198.86 ≈ 200 m approx