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Unformatted text preview: 4-6 Some Theorems About Angles
A) What do we know if the angles in a linear pair are congruent? a. Theorem 4-2 i. If the angles in a linear pair are congruent, then each of them is a right angle. If, Then, B) Theorem 4-3 a. If two angles are complementary, then both are acute C) Theorem 4-4 a. Any two right angles are congruent D) What do we know if two angles are both congruent and supplementary? a. Theorem 4-5 i. If two angles are both congruent and supplementary, then each is a right angle 1. How is Theorem 4-5 different from Theorem 4-2? E) Theorem 4-6 (The Supplement Theorem) a. Supplements of congruent angles are congruent i. (lets look at the proof on p. 102 together) F) Theorem 4-7 (The Complement Theorem) a. Complements of congruent angles are congruent ...
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- Spring '09