8­2 Angle Pairs ­ notes.notebook

1

Apr 7­12:14 PM

8.2 Angle Pairs and their Relationships

Apr 7­12:14 PM

Adjacent Angles ­  Angles that have a common vertex, a common side, but no common interior points.

8­2 Angle Pairs ­ notes.notebook

2

Apr 7­12:21 PM

Complementary Angles­  Supplementary Angles ­ • Two (or more) angles whose measures have a sum of 900.• Each angle is the complement of the other.• May or may NOT be adjacent.

• Two (or more) angles whose measures have a sum of 1800.• Each angle is the supplement of the other.• May or may NOT be adjacent.

∠1 and ∠2 are complementary.

∠A and ∠B are complementary.

∠3 and ∠4 are supplementary.

∠C and ∠D are supplementary.

Apr 7­12:37 PM

Linear pair angles ­  • Two adjacent angles are a linear pair when their uncommon sides are opposite rays (line).• Linear pair angles are supplementary.

8­2 Angle Pairs ­ notes.notebook

3

Apr 7­12:46 PM

• Angles whose sides form opposite rays.• Vertical Angles have equal measure.

Vertical Angles ­ 

Apr 7­1:49 PM

Name all angles shown.

8­2 Angle Pairs ­ notes.notebook

4

Apr 7­1:40 PM

Identify the relationship between angles a & b.

Apr 7­1:48 PM

Identify the relationship between angles a & b.

8­2 Angle Pairs ­ notes.notebook

5

Apr 7­2:00 PM

Find the measure of angle b. 

Apr 7­2:02 PM

Solve for x.

8­2 Angle Pairs ­ notes.notebook

6

Apr 7­1:52 PM

Find the measure of      AED.Find the measure of      ABD.

A

BC

D

E

Apr 18­7:38 AM