Page 207 - C:\Users\azizu\Documents\Flip PDF Professional\Matematics-Form-1-1\
P. 207

LINES AND ANGLES





                   Line      Perpendicular  Perpendicular      Parallel    Construction     Angle
                 segment        bisector         line           lines         of 60°       bisector













                 The angle                  The angle
                on a straight   Reflex        of one      Complementary  Supplementary  Conjugate
                                                              angles
                                 angle
                                                                              angles
                                                                                             angles
                    line                    whole turn
                   180°                          360°          a                  b             b
       CHAPTER
       CHAPTER
       8 8                                                      b              a             a





                Angles related to              Angles related to parallel     •  Angle of elevation
                intersecting lines             lines and transversals
                            d                               Transversal
                                                                                        Angle of
                          a    c                       p                                elevation
                            b                        q   r
                                                     s
                •  Vertically opposite angles
                  ∠a = ∠c and ∠b = ∠d                                         •  Angle of depression
                                               •  Corresponding angles
                •  Adjacent angles at                                                   Angle of
                                                                                        depression
                 intersecting lines              ∠p = ∠s
                  ∠a + ∠d = 180°               •  Alternate angles
                                                 ∠r = ∠s
                  ∠d + ∠c = 180°               •  Interior angles
                  ∠c + ∠b = 180°
                                                 ∠q + ∠s = 180°
                  ∠b + ∠a = 180°





           196
           196
           Chapter 8
           Chapter 8


       08 TB Math F1.indd   196                                                                       11/10/16   12:17 PM
   202   203   204   205   206   207   208   209   210   211   212