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Angle Pairs

This document provides a comprehensive overview of angle pairs, including solutions to various homework problems related to interior and exterior angles, congruency, and linear pairs. Essential concepts such as supplementary angles, acute and obtuse angles, and the specifics of angle addition are discussed. The document also includes vocabulary examples and algebraic methods to solve for unknowns in angle pairs, ensuring a solid grasp of the topic.

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Angle Pairs

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  1. Angle Pairs 1.5

  2. Solutions to HW • 1. 89, 45, 44 • 2. -14 • 3. 19 • 4. 32 • 5. 13 • 6 23, 25

  3. Solutions to HW • 1. Interior 8. Angle Addition • 2. Exterior 9. Congruent Marks • 3. 39 or 40, Acute • 4. 130 or 131, Obtuse • 5. Straight • 6. 25, 25, Congruent • 7. 90, right

  4. Vocabulary

  5. Examples • Where are supplementary angles? • What is the degree of <AFB • What is the degree of <CFD

  6. What can we conclude from this diagram? Ex: <1 = <2

  7. Linear Pair • A linear pair is a pair of adjacent angles whose noncommon sides are opposite rays. The angles of a linear pair form a straight angle. • What will be the total degree when you add both angles <ABD and <DBC?

  8. Algebra Example • Solve for x given this linear pair

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