Similar Triangles Proofs Worksheet

                    Lesson 1

Problem:    

Step 1: Identical triangles are similar. Mathematically, similar triangles have both corresponding angles equal, while the lengths of  the corresponding sides are in proportion.

Solution Proof:

                                                         Step 2:     

Solution         JG ||  FB

Step 3:                           

1.   ‹AJG = ‹ABF   (CORRESPONDENT ANGLES)

  ‹AGJ = ‹AFB   (CORRESPONDENT ANGLES)

                                                         Solution         Hence the triangles are similar

                                                         Step 3:                    

                                                         Complete      

                                                         Try two practice problems:

FIND THE SIDES OF THE ABOVE TRIANGLE 

                                                             A.   FIND AJ

                                                              B.   FIND JG

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