One method you can use to determine whether a triangle is a right triangle, given three side lengths, is to apply the Converse of the Pythagorean Theorem. Alternately, you can use trigonometric ratios. Draw triangle ABC with side lengths of 5,12, and 13. Show that the triangle you drew is a right triangle by using trigonometric ratios or the Law of Cosines. (Be sure to draw the diagram and show all work and/or reasoning.)
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