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9.5  Classifying Quadrilaterals
Objective: Classify quadrilaterals by their 
angles and sides.




                                               Mr. Williams
                                               GESD
                                               jwilliams@gesd40.org




                                                                      1
Parallelogram

­ Quadrilateral 
with 2 pairs of 
parallel sides.



                               Image: 'Four Square (4)'
                   www.flickr.com/photos/23806189@N00/157589895




                                                                  2
Rectangle

Parallelogram 
with 4 right 
angles.



                        Image: 'landscape architect9s door'
                 www.flickr.com/photos/55573153@N00/409568423




                                                                3
Rhombus

­ Parallelogram 
with 4 sides of 
equal length.



                               Image: 'Four Square (4)'
                   www.flickr.com/photos/23806189@N00/157589895




                                                                  4
Square

Parallelogram 
with 4 right 
angles and 4 
sides of equal 
length.



                                 Image: 'au carré...'
                  www.flickr.com/photos/29647247@N00/1877869197




                                                                  5
Your Turn:

With your group work on:

pg. 446 Example 2



                                          Then work on pg. 446

                                          problems 1 ­ 3




                               Image: '50 minutes at a time'
                    www.flickr.com/photos/74998608@N00/1445409547




                                                                    6

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9 5 Classifying Quadrilaterals