a park is 1500m long and 750m wide.A cyclist has to make four rounds of this park. How much time will he take at the speed of 4.5 km/hour
Answers
Answer:
1 hour
Step-by-step explanation:
1500 + 750 ×2 = 4500m
4500 m = 4.5 km
Answer:
A park is 1500 metres long and 750 metres wide. A cyclist has to take four rounds of this park. he will take 4 hours to complete the four rounds.
Step-by-step explanation:
To answer this question, we must first calculate the perimeter of the park.
The park is in form of a rectangle. Perimeter of the rectangle = (Length +
Width)2 This equals to: (1500 + 750)2
= 2250 x 2 = 4500 m
The perimeter of the park is 4500 meters.
The Cyclist takes four rounds.
Four rounds is equivalent to; 4500 × 4 =
18000 meters
So, the cyclist covers a distance of 18000 meters.
Since the speed is given in km/h, we convert this distance to kilometers.
1km = 1000m
so we have: 18000/1000 = 18 km
Given speed and distance, the formula for getting time is:
Time = Distance/Speed
= 18/4.5 = 4 hours.
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