Arnav knows that (3, 4, 5) and (5, 12, 13) are Pythagorean triples. He wants to show that (15, 20, 25) is also a Pythagorean triple. Besides using the converse of the Pythagorean theorem, is there another way Arnav can show that (15, 20, 25) is a Pythagorean triple?
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