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Free geometry worksheet to help students name perpendicular bisectors and angle bisectors of triangles and name and identify the circumcenter.

Activity 3.8​

​Assignment 3.17

​Points of Concurrency in Triangles

 
Objectives
Name and identify the perpendicular bisectors of sides of a triangle. Name the circumcenter.
 
Name and identify angle bisectors of a triangle. Name the incenter.
 
Name and identify the medians of a triangle. Name the centroid.

 

 

 

 
 
 

Assignment 3.9

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Free geometry worksheet to help students name medians of triangles and name and identify incenters and centroids.

Assignment 3.16

Assignment 3.18

About Geometry Worksheet Assignment 3.17:     This assignment can be downloaded for free.

 

Assignment 3.17 is an introduction to points of concurrency in triangles.

 

Prerequisite Skills: Name perpendicular bisectors (Assignment 2.17).  Name angle bisectors (Assignment 2.15).  Name medians in triangles (Assignment 3.15).

 

Theorem:  The perpendicular bisectors of the sides of a triangle are concurrent.  

Definition:  The point of concurrency is the circumcenter.    

 

Theorem:  The bisectors of the angles of a triangle are concurrent.  

Definition:  The point of concurrency is the incenter.  

 

Theorem:  The medians of a triangle are concurrent.  

Definition:  The point of concurrency is the centroid.  

 

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