Lesson 9.1: Properties of Parallelograms...If a quadrilateral is a parallelogram, then its opposite angles are congruent. Prove that the opposite angles of a parallelogram are congruent.

Lesson 9.1: Properties of Parallelograms

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SummaryLesson 9.1

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Lesson 9.2 Conditions for ParallelogramsPage 433

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Assignment:1. Constructing a square inscribed in a circle2. Constructing a regular hexagon inscribed in a circle

In addition, you must describe each construction, step by step.

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