Which is a true statement about an exterior angle of a triangle? A. It is formed by two segments that are sides of the triangle. B. It is formed by two segments that are not sides of the triangle. C. It forms a linear pair with one of the interior angles of the triangle. D. It is complementary to one of the interior angles of the triangle.
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An exterior angle is formed when a side of a triangle is extended and the angle is formed outside the triangle. Show more…
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