Chapter 9 Special Segments in Triangles

Use the triangle angle sum theorem to fill in the blanks.  

Drag and drop the correct degree measure onto the diagram.

c

d

e

64

60

32

72

30

56

 Find the exterior angle measure.

Find x.

Match the following

• Perpendicular Bisector

• 
• Angle Bisector

• 
• Median

• 
• Altitude

• 

Match the following Special Segment to it's Point of Concurrency.

• Centroid

• Perpendicular Bisector

• Orthocenter

• Altitude

• Incenter

• Angle Bisector

• Circumcenter

• Median

​ ​ ​ ​ Segment that divides an angle into two congruent angles

• Median

• Altitude

• Angle Bisector

• Perpendicular Bisector

​ ​ ​ ​ Segment that passes through the midpoint and is perpendicular to the side of the triangle

• Median

• Altitude

• Angle Bisector

• Perpendicular Bisector

​ ​ ​ ​ Segment that goes from the vertex to the midpoint of the opposite side of the triangle

• Median

• Altitude

• Angle Bisector

• Perpendicular Bisector

​ ​ ​ ​ Segment that goes from the vertex and is perpendicular to the opposite side of the triangle

• Median

• Altitude

• Angle Bisector

• Perpendicular Bisector