the are of a square field is 60025 square meter. a man cycles along its boundary at 18km per hour. in how much time will he return at the starting point?
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ar of square=60025m
side=root of 60023
=245m
perimeter=245×4=980m
speed=18km/h
=18×5/18=5m/s
speed=distance/time
time=distance/speed
time=980/5
=196seconds.
=3minutes 16seconds.
side=root of 60023
=245m
perimeter=245×4=980m
speed=18km/h
=18×5/18=5m/s
speed=distance/time
time=distance/speed
time=980/5
=196seconds.
=3minutes 16seconds.
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