Question

11. A person walks atarle rate of 4 km/hr. How long will he take to go round a square park 5 times, whose
area is 2500 m2?​

Answer 1

Step-by-step explanation:

M/S=4*5/18=10/9 metre per second

Side =2500=50 cm *4=200*5=1000

1000/10/9=1000*9/10=9*100=900 seconds =15 minutes

Answer 2

Solution:

→ Area of Square Park = 2500 sq m.

→ Side of the park = sq rt of 2500 = 50 m.

→ Perimeter of the square = 4*50 = 200 m.

• In round he has to travel 200 m.

→ So, in 5 round, he needs 5 * 200 = 1000 m to travel.

• He needs 15 minutes to go 5 round of the park.

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