Practice Page
Directions: Prepare a formal proof for each problem. While more than one method of proof may be possible, only one possible answer will be shown for each question.
1.
proof1

 

 

2.
sp2

 

 

3.

sp3g

 

 sp3

 

 

4.
sp4g

 

 sp4

 

 

5.

SPP5G

 sp5

 

 

6.

sp6g


 sp6

 

 

7.

Given: ∠DCE ∠ACB
            DC = 2.5, EC = 3
            AC = 4, BC = 4.8
Prove: ΔDEC ΔABC



 

 

8.
Given: D midpoint of
E is midpoint of

Explain: how EACH Similarity Theorem can be used to prove
ΔDBE is similar to ΔABC.
sp4

 

 

9.

 

 

10.



 


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