Lesson: Angle Sum of a Triangle | Nagwa Lesson: Angle Sum of a Triangle | Nagwa

Lesson: Angle Sum of a Triangle Mathematics

In this lesson, we will learn how to find a missing angle in a triangle given the two other angles.

Lesson Plan

Students will be able to

  • find a missing angle in a triangle given the other two,
  • use algebra and facts about triangles to find missing angles in triangles.

Lesson Video

Video Thumbnail
13:25

Lesson Playlist

  • Finding the Measure of an Angle in a Triangle given the Other Two Angles’ Measures
    02:15
  • Forming and Solving a System of Linear Equations with Two Unknowns
    03:24

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