Basic HTML Version

|  | Table of Contents |  | View Full Version

Page 118 - MathGPT_V1.0_C3
P. 118

    E:\Working\Brother_Education\Preparatory_Stage_Maths-3_(11-09-2024)\Open_Files\CHAP_07
                 \ 02-Nov-2023                      Sonia Suyal   Proof-1                     Reader’s Sign _______________________ Date __________

                  ray
                                                                                             Get it right!
                  A ray is a part of a line which can be extended in one                          P         Q
                  direction endlessly.                                                  The figure shows a ray,

                                                                                         QP .          PQ

                                                                                        (because its initial point is P.)
                  As we can see in the given figure that a ray AB begins
                  from the point A and goes towards B. B is just a point on the ray, but it is not its end. This

                  ray is denoted by AB , where A is its initial point.

                  Light coming from a torch or a bulb can be considered as examples of rays.

                           practice time 7a

                  1.  Name the following figures in two ways. One has been done for you.

                                         Y                    A
                                                                                          N
                                                                               M
                       (a)    X                (b)            B         (c)                      (d)   P           Q

                            Line segment  XY

                                  XY

                  2.  How many line segments are used to form each of the following shapes? Name

                       them.

                            A            D                 P                        G                     E     J

                       (a)                      (b)                      (c)   H           K     (d)  F             I

                            B            C           Q            R           I           J               G     H

                  3.  How many lines are there in the given figure? Name them.

                                                                     A
                                                                 H       B
                                                                 G         C
                                                                        O
                                                                 F       D
                                                                     E

                   teacher’s   Discuss with the students about the difference among a line, a line segment and a ray with the help of real-life
                      tip      examples.

                 116                                                                                    Mathematics-3

| 113 114 115 116 117 118 119 120 121 122 123 |