Question

:11. A person walks at the rate of 4 km/hr. How long will he take to go round a square park 5 times, who
rectangle is 72 cm. The length is 3 times the width. Find the area of the rectan
If the land revenue to be paid at * 1500
9. Find the area, in hectare,
10. A room 7 m long and 6.5 m wide is to have the floor
wide. Find the total length of carpet required.
area is 2500 m2?​

Answer 1

Answer:

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

Step-by-step explanation:

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Answer 2

11.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.

9.15500031 square inches

10.Total area of roll required is the area of the room i.e 7 m × 6.5 m = 45.5 m2 hence total number of rolls required is 45.5/0.5 = 91 carpets

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