CK-12 Geometry-Concepts

http://www.ck12.org Chapter 4. Triangles and Congruence

3.

4.

State the additional piece of information needed to show that each pair of triangles is congruent.

5. Use SSS


6. Use SSS

Fill in the blanks in the proofs below.

7.Given:Bis the midpoint ofDCAD∼=ACProve: 4 ABD∼= 4 ABC

TABLE4.6:

Statement Reason

1. 
   
   
   
   1. 
      
   
   
   
   


2. 
   
   
   
   2. Definition of a Midpoint
   
   
   
   


3. 
   
   
   
   3. Reflexive PoC
   
   
   
   


4. 4 ABD∼= 4 ABC 4.