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6. In the figure, DE ∥ BC. D cuts AB exactly in half. If BC is 12 centimeters long, how long is DE?



                                A






                      D                    E




                 B                                    C







                7. In the figure below, AB ∥ DE, and length measures are given in meters. How long is AB if DE has
                               2
                   alength of 2 meters?
                               5
                 A




                                  5 meters




                                               D


                                                         3 meters




                 B                                                C
                                               E

























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