Question

Pls solve above question..
Its of 7th class mathematics...
I will mark as brainliest the best answer, a thank and lot of ratings..
Pls help me guys... ✍️​

Answer 1

Answer:

7km

Step-by-step explanation:

Answer 2

Answer:

The length of a rectangular field is twice its breadth. A girl jogged around it 4 times and covered a distance of 4.5km. What is the length of the field?

The length of a rectangular field is twice its breadth. A girl jogged around it 4 times and covered a distance of 4.5 km. What is the length of the field?

The distance cover in 4 laps is 4.5 km, So one lap is 4.5/4 = 1.125 km.

Let the breadth of the field be B so the length will be L or 2B.

The perimeter of the field is 2L+2B or 4B+2B = 6B = 1.125, so B = 1.125/6 = 0.1875 km and the length is 2*0.1875 = 0.375 km.

Check: Perimeter = 2*0.375 + 2*0.1875 = 1.125 km and 4 laps covers 4*1.125 = 4.5 km. Correct.

The field is 375 m long.

Step-by-step explanation:

so hope this helps