Page 132 - Math Course 3 (Book 2)
P. 132

Proportional Parts of Triangles





         Your Turn!


        Find the Length of a Side                          Proportional Segments

         In △ABC, AC || XY, AX = 4, XB = 10.5 , and CY = 6.   In the figure, Davis, Broad, and Main Streets are
         Find BY.                                           all parallel. The figure shows the distances in city
                                                            blocks that the streets are apart. Find x.
                 A
                       4
                             X

                                                                                  Davis  24  8
                                         10.5                   Bridgeview



                                                                   Southview            Broad  Main
         C   6     Y                 x              B

         A. 2.29                                                                   15
         B. 4.125                                                                       x
         C. 12
         D. 15.75


           Answer                                            A. 4
                                                             B. 5
                                                             C. 6
        Determine Parallel Lines                             D. 7
         In △WXZ, XY = 15, YZ = 25, WA = 18, and AZ = 32.

         Determine whether WX || AY.                          Answer

           W                                      X






               A                        Y





                         Z

         A. yes
         B. no
         C. cannot be determined

           Answer













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