A park is 1500 mitar long and 750 mitar wide. A cyclist has to take four round of this park. how much time will he take at the speed off 4.5 km/hr
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Perimeter of park=2(l+b)=2(1500+750)m
=4500m
=4.5km
Total no. of rounds that the cyclist has to take=4
Therefore,total distance travelled by the cyclist=4.5km×4=18km
Now,
the amount of time he will take to complete 4 rounds of the park at the speed of 4 .5km/hr is=18km÷4.5km/hr
=4hrs......ans.
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