Angle Addition Postulate+

What are we learning about today?

• Angles

• Segments

• Points

• Planes

What is a defined term?

• figures that can be built from other figures

• figures that can not be built from other terms

• the most basic figure in geometry

What is a ray?

• an undefined term

• a defined term made of a point and part of a line

• a point at one end of a segment

• the distance between two points

Name all 3 angles shown:

•  $\angle HKN$  

•  $\angle HMN$  

•  $\angle KMN$  

•  $\angle HMK$  

What is the largest angle?

• $\angle GCF$

• $\angle GJC$

• $\angle CJF$

• $\angle GJF$

Angles can be added together.

• True

• False

• Only Sometimes

 $\angle ABC=$  

• 37

• 28

• 9

• 58

 $\angle LMN\ =$  

• 85

• 23

• 108

• 62

 $\angle RSV=$  

• 72

• 114

• 186

• 42

What is the value of x?