'Congruent alternate interior angles' presentation slideshows

Introduction to Geometry: Points, Lines, and Planes

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6.3 Proving Quadrilaterals are Parallelograms

6.3 Proving Quadrilaterals are Parallelograms. Objective: To learn how to prove quadrilaterals are parallelograms. A. B. D. C. theorem. 1. If a quadrilateral has both pairs of opposite sides congruent,. then it is a parallelogram. parallelogram. A. B. D. C. theorem.

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Chapter 9 Summary Project

Period 2 12/17. Chapter 9 Summary Project. Starring:. Parallelism. &. Triangles. Quadrilaterals. By Matthew Donoghue. P a r a e i s m. Corresponding Angles:. Definitions.

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