This concept teaches students the relationship between opposite angles and sides in triangles and how to use this relationship to compare triangles.
Comparing Angles and Sides in Triangles Interactive
This video gives more detail about the mathematical principles presented in Comparing Angles and Sides.
This video shows how to work step-by-step through one or more of the examples in Comparing Angles and Sides.
Nine question quiz. Students must use their understanding of the Triangle Sum Theorem and the relationship between the angles & lengths of the sides of a triangle. Students must order the sides or angles of triangles in order and explain their reasoning.
A list of student-submitted discussion questions for Comparing Angles and Sides in Triangles.
Find out how triangles are incorporated into the design of home kitchens.
Do the angles in a triangle always add up to 180 degrees? How are the lengths of the sides of a triangle controlled by the sizes of the angles in Spherical Geometry?
This study guide is an overview of the triangle inequality theorem and hinge theorem.