Question

A man walks around circular park 4 times in 15 minutes the park rediuus of the park is 49meter find speed of the man

Answer 1

First find the circumference of the circle,

=2πr

=2×22/7×49

=44/7×49

=2156/7

=308m

the man has walked 4 times the circular park

so total distance=308×4

=1232m

Convert mins into seconds

15×60

90 seconds

Speed=Distance/Time

Speed=1232/90

Speed=13.6m/s

Ans:The speed of man is 13.6m/s

HOPE IT HELPS.......