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Chapter 3 · Grade 10
Similarity
Dilations, similar polygons, triangle similarity theorems, and triangle proportionality.
Lessons
Lesson 1 · G10 M3L1
Dilations
Scale factor and center of dilation.
Open lesson → Lesson 2 · G10 M3L2Similar Polygons
Identifying and working with similar figures.
Open lesson → Lesson 3 · G10 M3L3Similar Triangles: AA Similarity
Angle-Angle similarity criterion.
Open lesson → Lesson 4 · G10 M3L4Similar Triangles: SSS and SAS Similarity
Side-Side-Side and Side-Angle-Side similarity.
Open lesson → Lesson 5 · G10 M3L5Triangle Proportionality
Triangle proportionality theorem and its converse.
Open lesson → Lesson 6 · G10 M3L6Parts of Similar Triangles
Perimeters, altitudes, and medians of similar triangles.
Open lesson →