Secondary Math II · Module 6
Similarity & Right Triangle Trigonometry
Independent lesson-by-lesson companions to the MVP materials.
Open the lesson that matches the section you’re working on in class. Each one explains the section’s ideas with worked examples, helps with Ready, Set, Go, and links to other instructional resources. About these lessons
Lessons
6.1 — Photocopy Faux PasDilations and scale factors; how lengths and area change; missing corresponding lengths; Ready, Set, GoHuman review pending6.2 — Triangle DilationsTriangle dilations and scale factors; corresponding sides and angles; Ready, Set, GoHuman review pending6.3 — Similar Triangles and Other FiguresSimilar polygons; AA, SAS, and SSS triangle similarity; proportions; Ready, Set, GoHuman review pending6.4 — Cut by a TransversalSimilar triangles and proportional segments cut by parallel lines; Pythagorean theorem; slope triangles; Ready, Set, GoHuman review pending6.5 — Measured ReasoningSimilarity and measurement; reasoning with proportional lengths and angles; Ready, Set, GoHuman review pending6.6 — Yard Work in SegmentsMidpoints and dividing segments in a ratio; coordinate geometry and parallel-line proportions; Ready, Set, GoHuman review pending6.7 — Pythagoras by ProportionsRight-triangle similarity; Pythagorean theorem and geometric means; proportions and sequences; Ready, Set, GoHuman review pendingLater sections will appear as they are published. No unpublished lesson links are shown.