# Chapter 1 - Section 1.6 - Relationships: Perpendicular Lines - Exercises: 2

1, Given 2. Definition of a straight angle 3. Angle Addition Postulate 4. Substitution Property of Equality 5. Given 6. Definition of a right angle 7. Substitution Property of Equality 8. Subtraction Property of Equality 9. Angle Addition Postulate 10. Substitution Property of Equality 11. Definition of complimentary angles

#### Work Step by Step

Use the definitions, properties, and postulates to prove each given statement.

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