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Geometry
Build the geometric reasoning needed to understand shapes, distances and relationships between lines. Work through the lessons in order, or jump directly to the concept you want to review.
Geometry foundations
Begin with dimensions and the basic ideas used to describe geometric objects before moving into shapes and their properties.
Triangles
Learn how triangles are classified and explore one of the most important relationships in right-angled geometry.
Lines & relationships
Understand how parallel and perpendicular lines are identified and how their geometric relationships are used in later topics.