A park is 1500m long and 750m wide. A cyclist has to take 4 rounds of this park. How much time will be take at the speed of 4.5km/hr.
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ANSWER 14400 sec
240min
and
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The length of park(l) = 1500 metres, the breadth of park(b) = 750 metres and speed = 4.5
To find, the time(t) = ?
We know that,
The perimeter of rectangle = 2(l + b)
∴ The perimeter of rectangular park =2(1500 + 750) m
= 4500 m
The total distance of four round of the park = 4 × 4500 m
= 18000 m = 18 km
=4hr
Hence, the time is "4 hours".
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