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    E:\Working\Focus_Learning\Math_Genius_1_(05-10-2023)\Open_Files\09_Chap_8\Chap_8
                   \ 11-Sep-2024  Bharat Arora   Proof-6                                    Reader’s Sign _______________________ Date __________

                                       Learning by Doing

                  Objective: To get plane shapes from solid shapes.

                  Materials Required: Pencil box, water bottle, dice, cut-outs of traffic signs
                  and sheets of paper

                  Procedure:

                          Take a sheet of paper and put one of the above solids, say

                          pencil box on it.

                           Draw the outline of the pencil box along its side.

                          What shape do you get? Rectangle.
                          In the same way, place other solids one-by-one on different

                          sheets of paper and trace the outlines of the base of these objects.

                          Record your observation as given below.

                              Solids

                          Plane shape         Rectangle         ________          ________          ________

                          Brain Sizzlers
                      1.  Can you say what difference the given pair of shapes have?

                        (a)                                             (b)

                      2.  Observe the following patterns.

                         Which one of the following options shows the above patterns?

                        (a)  ABCCAB              (b)  AAA                (c)  ABABC              (d)  ABCABC

                  Mathematics-1                                                                                         129

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