Geo.4 Right Triangle Trigonometry · Lesson 1: Angles and Steepness

Geo.4 Right Triangle Trigonometry · Lesson 1: Angles and SteepnessMath · Geometry · Grades 9–10Lesson plan

Learning goals: Teacher Facing Calculate side lengths in right triangles. Explain why the acute angles in a right triangle determine the ratio of the side lengths (orally). 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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