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6-4 Angle Pair Relationships_p1-8.notebook
6-4 Angle Pair Relationships
3 4
-Also called a "Linear Pair"
6-4 Angle Pair Relationships_p1-8.notebook
6-4 Angle Pair Relationships
Ex 1:
6-4 Angle Pair Relationships_p1-8.notebook
6-4 Angle Pair Relationships
Ex 2:
Step 1: What type of angles are these? Vertical Angles
Step 2: What do we know about vertical angles?
Vertical angles are congruent (have same measurement).
b = 32°
Ex 3:
Step 1: What type of angles are these? Complementary Angles
Step 2: What do we know about complementary angles?
Two angles whose sum = 90°
Step 3: Write and Algebraic Equation and solve
6-4 Angle Pair Relationships_p1-8.notebook
6-4 Angle Pair Relationships
Ex 4:
Step 1: What type of angles are these?
Supplementary Angles or Linear Pair
Step 2: What do we know about supplementary angles (linear pairs)?
Two angles whose sum = 180°
Step 3: Write and Algebraic Equation and solve.
Ex 5:
Step 1: What is the measure of a circle?
Step 2: Write and Algebraic Equation and solve.
180° 180°360°
6-4 Angle Pair Relationships_p1-8.notebook
6-4 Angle Pair Relationships
Checks for Examples 2 to 5:
6-4 Angle Pair Relationships_p1-8.notebook
6-4 Angle Pair Relationships
Ex 6:
Step 1: What type of angles are these? Complementary Angles
Step 2: What do we know about complementary angles?
Two angles whose sum = 90°
Step 3: Write and Algebraic Equation and solve
84
14
6-4 Angle Pair Relationships_p1-8.notebook
6-4 Angle Pair Relationships
Ex 7:
Step 1: What type of angles are these? Vertical Angles
Step 2: What do we know about vertical angles?
Vertical angles are congruent (have same measurement).
Step 3: Write and Algebraic Equation and solve
Ex 8:
Step 1: What is the measure of a circle?
360°
Step 2: Write and Algebraic Equation and solve.
6-4 Angle Pair Relationships_p1-8.notebook
6-4 Angle Pair Relationships
Checks for Examples 6 to 8:
