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Geometry Concepts and Skills
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Welcome to Geometry Concepts and Skills

This course will make math come alive with its many compelling examples of geometry in the world around you, from lasers to rock climbing to tightrope walking. Need a little extra help? Click on the chapter links below to get lesson help, explore application and career links, or try one of the interactive review games.

Choose a chapter below.

Chapter 1: Basics of Geometry


Chapter 2: Segments and Angles


Chapter 3: Parallel and Perpendicular Lines


Chapter 4: Triangle Relationships


Chapter 5: Congruent Triangles


Chapter 6: Quadrilaterals


Chapter 7: Similarity


Chapter 8: Polygons and Area


Chapter 9: Surface Area and Volume


Chapter 10: Right Triangles and Trigonometry


Chapter 11: Circles