Lesson Plan: Angle Sum of a Triangle Mathematics • 8th Grade

This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to find a missing angle in a triangle given the two other angles.

Objectives

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.

Prerequisites

Students should already be familiar with

  • right, isosceles, and equilateral triangles,
  • forming and solving equations.

Exclusions

Students will not cover

  • trigonometry.

Nagwa uses cookies to ensure you get the best experience on our website. Learn more about our Privacy Policy.