Question

Long method the area of a square field is 600 25 metre2 a man cycles
along its boundary at 18 kilometre per hour in how much time will be returned to the starting point

Answer 1

Answer:

side of square=under root 60025

=245

so perimeter = 4×245=980m

now speed of cyclist=18×5/18=5m/s

time taken to complete a round =980/5

=198s

=3min18sec