Geo.4 Right Triangle Trigonometry · Lesson 3: Half an Equilateral Triangle

Geo.4 Right Triangle Trigonometry · Lesson 3: Half an Equilateral TriangleMath · Geometry · Grades 9–10Lesson plan

Learning goals: Teacher Facing Calculate side lengths in 30-60-90 triangles. Generalize the properties of 30-60-90 triangles including side lengths and ratios (using words and other representations). Full lesson plan (warm-up, activities, synthesis, cool-down prompt) from Geo.4 Right Triangle Trigonometry, Geometry.

From Illustrative Mathematics (IM Certified curriculum, im.kendallhunt.com) · CC BY 4.0 · original source

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