The length of a rectangular field is thrice its breadth. Its perimeter is 400 metres. Find its length and breadth.
2 answers:
<h2>Hyy There !! </h2><h2><u>ANSWER :- </u></h2><h3>Length of rectangle = 150 meters .</h3><h3>Breadth of rectangle = 50 meters .</h3><h2><u>EXPLANATION :- </u></h2><h3>• The length of a rectangle field is thrice it's breadth . It's perimeter is 400 meters . </h3><h3><u>=</u><u>></u><u> </u><u>Let's Find the length and breadth </u><u>:</u><u>-</u><u> </u></h3>
- Let the length is 3x meters .
- So , ATQ breadth is x meters .
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The equations we get are
l = 6 + 2w (We get this from "The length of the rectangle is 6 more than 2 times the width.")
and
2l + 2w = 140 (We get this from the perimeter. Two times the length plus two times the width equals the perimeter of a quadrilateral.)
The first equation can be written as
l - 2w = 6
So now we have
2l + 2w = 140
l - 2w = 6
____________
Add the two equations.
We get 3l = 146
Divide by 3 on both sides.
l = 48
Your answer is 48.
l = 6 + 2w (We get this from "The length of the rectangle is 6 more than 2 times the width.")
and
2l + 2w = 140 (We get this from the perimeter. Two times the length plus two times the width equals the perimeter of a quadrilateral.)
The first equation can be written as
l - 2w = 6
So now we have
2l + 2w = 140
l - 2w = 6
____________
Add the two equations.
We get 3l = 146
Divide by 3 on both sides.
l = 48
Your answer is 48
Answer:
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