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Which statement is a theorem?a. An endpoint is a point at one end of a segment or the starting point of a ray.b. If two angles are complementary to the same angle, then the two angles are congruent.c. If two lines intersect, then they intersect in exactly one point.d. A plane is a flat surface that has no thickness and extends forever.

Answer :

Answer:

The correct answer is option b. If two angles are complementary to the same angle, then the two angles are congruent.

This is called the Congruent Complements Theorem.

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