PBS
Pbs: Finding Unknown Angles
Learn how to solve problems that involve finding unknown supplementary, complementary, vertical, and adjacent angles in this Math Shorts video from the Utah Education Network and Planet Nutshell, Inc.
Louisiana Department of Education
Louisiana Doe: Louisiana Believes: Eureka Math Parent Guide: Geometry
A guide to support parents as they work with their students in using geometry.
Math Is Fun
Math Is Fun: Complementary Angles
Gives a clear definition and drawing of the complementary angles in a polygon.
The Math League
The Math League: Angles and Angle Terms: Complementary Angles
This tutorial provides a short definition of complementary angles.
Quia
Quia: Irregular Plurals
Produced by Quia, to allow the user to take an eleven question quiz reviewing different types of angles.
Free Math Help
Free Math Help: Special Pairs of Angles
The lesson investigates special pairs of angles. Topics explored include complementary, supplementary, and vertical angles. Students learn about the concept and view diagrams and exercises with solutions.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Complementary Angles
Find a quick, concise explanation of complementary angles. Several examples are given and explained showing different situations.
ClassFlow
Class Flow: Complementary Angles
[Free Registration/Login Required] Using a variety of Activstudio tools, students investigate complementary and supplementary angles.
ClassFlow
Class Flow: Complementary and Supplementary Angles
[Free Registration/Login Required] This flipchart contains Complementary and Supplementary angles. This lesson integrates proofs as well as matching, and integrated assessment through out the lesson. Works well with the book Geometry for...
Other
Gobierno De Navarra: Trigonometria
Use these interactive activities as a supplementary material to visualize some basic concept of Trigonometry.