OUTLINE
COURSE TOOLS
UNIT 4
Triangles
LESSON 3
Triangle Inequality Theorem
El Back to Intro Page
Triangle Inequality Theorem Quick Check
Apply the Triangle Inequality Theorem and determine which option could be the third side of a triangle if the first two sides measure 4 and 6.
11
9
2
1
I. Introduction to Triangle Inequality Theorem
A. Brief overview of triangles
B. Definition of Triangle Inequality Theorem
II. Triangle Inequality Theorem
A. Explanation of theorem
B. Example problems demonstrating application of theorem
III. El Back to Intro Page
A. Return to main page for further resources
IV. Triangle Inequality Theorem Quick Check
A. Apply the theorem to determine possible third side of triangle
1. Given first two sides as 4 and 6, options: 11, 9, 2, 1
V. Conclusion