Dictionary
search :       browse : 
A B C D E F G H I J K L M
  N O P Q R S T U V W X Y Z
         
Description
Related Terms
Everyday Examples
Interactive Checkpoint
More Information
Challenge
How to use this dictionary
Contact
 Description  
 Supplementary Angles:  Supplementary angles are two angles whose sum is 180 degrees.

Notice that since angle ABC is a straight angle, meaning that its measure is 180 degrees, then angle ABG + angle CBG = 180 degrees. Therefore, we can say that angles ABG and CBG are supplementary.