YourTeacher.com - Your Personal Math Teacher Inside Every Lesson

Demo Lesson!

Argosy University

Geometry: Lesson 030

Angles of a Triangle
Word Problems and Exterior Angle Theorem

Lesson Description

Students are asked to solve word problems that involve the triangle sum theorem. Students also learn the exterior angle theorem, which states that the exterior angle of a triangle is equal to the sum of the measures of the remote interior angles. Students are then asked to solve problems related to the exterior angle theorem using Algebra.

Thousands of Online Math Lessons

Middle School
High School Math

Pre-Algebra
Algebra 1
Geometry
Algebra 2

Community College
College Math

College Pre-Algebra
Introductory Algebra
Intermediate Algebra
College Algebra

Find the Lesson You Need

Textbook Search

Our lessons matched
to your textbook

Keyword Search

Search our lessons
by keyword:

Standardized
Test Prep

SAT
ACT
GED
ACCUPLACER
COMPASS
CLEP
GRE
GMAT
ASVAB
PRAXIS
TEAS

more tests...

Placement Test Prep

I have two boys in high school and yourteachermath has been unbelievably helpful. I have subscribed for another year and can't imagine not having their expertise when we need it!!!