The extensions of the legs AB and CD of a trapezoid ABCD intersect at point E. Find the lengths of the sides of △AED if AB=5cm,
1 answer:
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<em>The discriminant must be zero.</em>
Step-by-step explanation:
A Perfect-Square Trinomial is given by the form:
The discriminant in the quadratic formula is:
So in order to get a perfect square,<em> the discriminant must be zero.</em>
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<h2>Learn more:</h2>Discriminant: brainly.com/question/1537997
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