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    E:\Working\Orange_Education\TouchPad_Maths_4\Open_Files\Chap_10\Chap_10
                     \ 10-Nov-2025  Bharat Arora   Proof-8                                    Reader’s Sign _______________________ Date __________

                           d.                                e.              12 cm            f.
                                  60 cm          60 cm
                                                                        8 cm   12 cm                                  8 cm

                                         60 cm                                                             12 cm

                                    _________ cm                       _________ cm                     _________ cm

                       4.   Akhil  drew a  rectangle  in  his  notebook.    5.   The perimeter of a square-shaped pool
                          The perimeter  of the rectangle  was                  is 100 m. What are the side lengths of
                          34  cm.  Its  length is  12 cm. How long are          the pool?
                          the other sides?                                                         ?

                                                                                          ?                  ?

                                                                                                   ?

                      6.  Calculate the perimeter of:
                           a.  a square of side 6 cm.
                           b.  a rectangle with length 5 cm and breadth 3 cm.

                           c.  a regular pentagon with each side of 4 cm.
                           d.  a regular hexagon with each side of 7 cm.
                       7.  Anu wants to put lace around her square handkerchief of side 11 cm. Find the length
                           of the lace she needs to buy.

                      8.  Hariom has to put a fence around his rectangular field of length
                           12 m and breadth 10 m. What is the length of the fence he needs?
                                                                                                                      18 m
                      9.  A triangular park is bounded by three roads. The authority wants             15 m
                           to fence it from each side of the road. Find the length of the fence
                           required for the park.
                                                                                                                 15 m

                    AreA

                    Area is the space covered by a figure or an
                    object.

                    Look  at  the  two  drawings  of  Mahatma
                    Gandhi  made  by  Nupur (Picture  A) and
                    Nikhil (Picture B).  Which drawing do you
                    think covers more area?

                    Let us find out.

                                                                                                                 173
                                                                                            Perimeter and Area

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