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					Classifying Triangles




                               1
Geometry                2/4/2011
Two Ways to Classify Triangles
  By Their Sides
  By Their Angles




                                        2
Geometry                         2/4/2011
Classifying Triangles
By Their Sides

        Scalene
        Isosceles




                               3
Geometry                2/4/2011
Scalene Triangles
    No sides are the same length




                                           4
Geometry                            2/4/2011
Isosceles Triangles
    At least two sides are the same length




                                                     5
Geometry                                      2/4/2011
Classifying Triangles
By Their Angles
            Acute
            Right
            Obtuse




                               6
Geometry                2/4/2011
Acute Triangles
    Acute triangles have three acute angles




                                                      7
Geometry                                       2/4/2011
Right Triangles
    Right triangles have one right angle




                                                   8
Geometry                                    2/4/2011
Obtuse Triangles
    Obtuse triangles have one obtuse angle




                                                     9
Geometry                                      2/4/2011
Classify this triangle.




           Right Scalene

                                 10
Geometry                   2/4/2011
Classify this triangle.




           Obtuse Isosceles

                                    11
Geometry                      2/4/2011
Classify this triangle.




Acute Scalene
                                12
Geometry                  2/4/2011
Classify this triangle.




     Acute Isosceles
                                13
Geometry                  2/4/2011
Classify this triangle.




Obtuse Scalene

                                14
Geometry                  2/4/2011
Classify this triangle.




           Right Isosceles

                                   15
Geometry                     2/4/2011
                 16
Geometry   2/4/2011

				
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