9514 1404 393
Answer:
right
Explanation:
You should recognize that (5, 12, 13) is a Pythagorean triple, so are the lengths of sides of a right triangle.
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In any event, you can check to see.
5² +12² = 25 +144 = 169 = 13²
The side lengths satisfy the Pythagorean theorem, so correspond to sides of a right triangle.
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Some Pythagorean triples commonly seen in algebra, geometry, and trig problems are ...
(3, 4, 5), (5, 12, 13), (7, 24, 25), (8, 15, 17), (9, 40, 41)