perfects aquare

 

perfects aquare

                                               1 x 1 = 1
                                                2 x 2 = 4
                                                3 x 3 = 9
                                                4 x 4 = 16

                                                5 x   5  =  25

                        6 x 6 = 36
                        7 x 7 = 49
                        8 x 8 = 64
                        9 x 9 = 81

                        10 x 10 = 100

                        11 x 11 = 121

                        12 x 12 = 144
                        13 x 13 = 169
                        14 x 14 = 196

                                                15 x   15  =  225 

                        16 x 16 = 256
                        17 x 17 = 289
                        18 x 18 = 324
                        19 x 19 = 361

                        20 x 20 = 400