19. The area of a square field is 60025 m². A man cycles along its boundary at 18 km/h. In how
much time will he return to the starting point?
much time will he return to the starting point?
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Answer:
He will return to starting point in 196 seconds.
Step-by-step explanation:
Area of square field = 60025 sq.m.
Area of square =
So,
Since we are given that he cycles along the boundary of field
So, Perimeter of square field =
Perimeter of square field =
Perimeter of square field =
So, Total distance = 980 m
Speed = 18 km/h = 196 sec