Final answer:
In order to form a quadrilateral, the sum of any three sides must be greater than the length of the fourth side.
Explanation:
To create a quadrilateral, the sum of the lengths of any three sides must be greater than the length of the fourth side as a requirement for the polygon to close properly. For example, if we have side lengths of 1, 2, 3, and 7, these lengths cannot form a quadrilateral since 1+2+3 is not greater than 7.
Learn more about Quadrilaterals and side lengths here:
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