This concept teaches students the sum of exterior angles for any polygon and the relationship between exterior angles and remote interior angles in a triangle.
This video gives more detail about the mathematical principles presented in Basic Geometric Definitions.
This video gives more detail about the mathematical principles presented in Basic Geometric Definitions.
Ten question quiz. Students must solve for missing angles in triangles using the exterior angle theorem of triangles. Students need to use basic arithmetic and algebra skills to solve the problems.
Asks a question about the exterior angle theorem.
Asks a question about the exterior angle theorem.
Asks a question about the exterior angle theorem.
Use the triangle sum theorem to find the measure of an unknown angle.
Use the triangle sum theorem to find the measure of an unknown angle.
Presents a question about the exterior angle theorem.
Presents a question about the exterior angle theorem.
Presents a question about the exterior angle theorem.
Presents a question about the exterior angle theorem.
Presents a question about the exterior angle theorem.
Presents a question about the exterior angle theorem.
Presents a question about the exterior angle theorem.
Presents a question about the exterior angle theorem.
Presents a question about the exterior angle theorem.
Presents a question about the exterior angle theorem.
Presents a question about the exterior angle theorem.
Presents a question about the exterior angle theorem.
Presents a question about the exterior angle theorem.
Presents a question about the exterior angle theorem.
Presents a question that can be solved with the exterior angle theorem or triangle sum theorem.
Presents a question that can be solved with the exterior angle theorem or triangle sum theorem.
A list of student-submitted discussion questions for Exterior Angles Theorems.
To encourage students’ critical thinking about vocabulary concepts, to allow students to reflect on their knowledge of individual vocabulary words, and to increase vocabulary comprehension using the Vocabulary Self-Rate.
To encourage students’ critical thinking about vocabulary concepts, to allow students to reflect on their knowledge of individual vocabulary words, and to increase vocabulary comprehension using the Vocabulary Self-Rate.
Summarize the main idea of a reading, create visual aids, and come up with new questions using a Four Square Concept Matrix.
So...does our formula apply only to convex polygons? Or can we fix things up so that it applies to concave polygons also?
This study guide reviews terminology for triangles, different types of triangles, and interior and exterior angles theorems.