Parallel Lines and Triangles Objective by HC121104002213

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									Geometry                                                                  Notes #:
                           Section 3.5: Parallel Lines and Triangles      Objective:

Triangle Angle-Sum Theorem:
                                                      Example 1) Solve for x, y, and z in the
                                                      figure below




Example 2) What are the values of x and y in the
diagram.




Example 3) How many distinct triangles are
represented in the diagram above?




   Exterior angle: angle formed by a side
   and an extension of an adjacent side.
   Remote interior angles: 2 nonadjacent
   interior angles corresponding to each
   exterior angle of a triangle



                                                     Example 4) What is the measure of          ?



     Triangle Exterior Angle Theorem
Geometry                                                                     Notes #:
                         Section 3.5: Parallel Lines and Triangles           Objective:

   Example 5) What is the measure of angle 2?




 Example 6)                                     Example 7) Find the values of the variables and
                                                measures of the angles from the diagram below.

								
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