Unit 3 Notes – ​Complementary, Supplementary and Vertical

Notes – ​
Complementary, Supplementary and Vertical Angles
Unit 3
● Define ​
Complementary Angles​
: __________________________________
2 Types:
● Define ​
Supplementary Angles​
: __________________________________
2 Types:
( a linear pair)
● Define ​
Congruent Angles​
: ___________________________________
If
________________
*Converse is also true!
Then
________________
Draw 2 intersecting lines in the space below and measure the 4 resulting angles.
Which angles are congruent?
● Define ​
Vertical Angles​
: ________________________________________
________________________________________________________________
*2 intersecting lines always create 2 pairs of vertical angles and 4 linear pairs.
______________ and
______________ are vertical angles.
_________ = 180° _________ = 180°
_________ = 180°
_________ = 180°