High school geometry
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Rigid transformations overview: Transformation properties and proofsDilation preserved properties: Transformation properties and proofsProperties & definitions of transformations: Transformation properties and proofs
Transformations & congruence: CongruenceTriangle congruence from transformations: CongruenceCongruent triangles: CongruenceTheorems concerning triangle properties: Congruence
Definitions of similarity: SimilarityIntroduction to triangle similarity: SimilaritySolving similar triangles: Similarity
Pythagorean theorem: Right triangles & trigonometryPythagorean theorem proofs: Right triangles & trigonometrySpecial right triangles: Right triangles & trigonometryRatios in right triangles: Right triangles & trigonometry
Introduction to the trigonometric ratios: Right triangles & trigonometrySolving for a side in a right triangle using the trigonometric ratios: Right triangles & trigonometrySolving for an angle in a right triangle using the trigonometric ratios: Right triangles & trigonometrySine & cosine of complementary angles: Right triangles & trigonometryModeling with right triangles: Right triangles & trigonometry
Circle basics: CirclesArc measure: CirclesArc length (from degrees): CirclesIntroduction to radians: CirclesArc length (from radians): CirclesSectors: Circles
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