Page 121 - Math Course 3 (Book 2)
P. 121

Similarity of Polygons





                Your Turn!


               Similar Polygons
                Determine whether the pair of figures is similar.  A

                A. Yes, ΔAXE ~ ΔWRT.                                      11
                B. Yes, ΔAXE ~ ΔRWT.                            760
                C. No, the Δ’s are not ~.                   5                        X                       R
                D. not enough information

                   Answer
                                                            E                  W      280                    7.5




                                                                                             16.5            T



                Determine whether the pair of figures is similar.

                A. Yes, ΔTRS ~ ΔNGA.                                           R
                B. Yes, ΔTRS ~ ΔGNA.
                C. No, the Δ’s are not ~.
                D. not enough information
                                                                12                           A         N
                   Answer
                                                                                        300            350

                                                                                                 3
                                                            400       1100              G

                                                      T         8         S


               Real World Example

                 A space shuttle is about 122 feet in length. The Science Club plans to make a model of the space shuttle
                 with a length of 24 inches. What is the scale factor of the model compared to the real space shuttle?


                 A.  1
                    61

                 B.  2
                    61

                 C.  12
                    61
                    24
                 D.
                    122




                   Answer







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