Question

the length of a rectangular field is 4 times its breadth if the perimeter of this field is 800 metre then what is the length of the field​.

Answer 1

Answer:

320 m

Step-by-step explanation:

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Let the breadth be X .

Then, Length = 4x

Given perimeter = 800 m

Perimeter = 2(l+b)

According to the question :-

2(l+b) = 800

2(X+4x) = 800

2 × 5x = 800

x = 800 / 10

x = 80

Length = 4x = 4 × 80 = 320 m

Hope it will be helpful....