The perimeter of a quadrilateral (four-sides polygon) is 50 inches. the longest side is three times as long as the shortest side. the other two sides are equally long and are 4 inches longer than the shortest side. find the length of all four sides.

The side lengths of quadrilateral are 21 inches; 11 inches; 11 inches; 7 inches.

SOLUTION:

Given, the perimeter of a quadrilateral (four-side polygon) is 50 inches.  

Let the length of shortest side be n inches.  The longest side is three times as long as the shortest side.  

That is, length of largest side = 3n inches

The other two sides are equally long and are 4 inches longer than the shortest side.  

Then, length of remaining two sides = 4 + n inches  

We have to find the length of all four sides.

Now, we know that, perimeter = 50 inches  

So, length of sides will be,

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