Page 270 - Kelas VII Matematika BS Sem 2 Cover 2017
P. 270

Sisi      Sisi
                      No.           Gambar             Panjang Lebar       Keliling    Luas
                                                        (alas)   (tinggi)




                                                  6 cm   8 cm      6 cm     2(8 + 6)   8 × 6 =
                                                                             = 28        48

                                    8 cm



                                    10 cm         6 cm                      8 + 6 +    1   × 8


                                                                   6 cm
                                                         8 cm
                                                                            10 = 24    2
                                                                                       × 6 =
                                     8 cm                                                24


                                       10 cm                               2(10 + 4
                                  cm
                                2        10 cm          10 cm      6 cm        2 )     10 × 6
                                4     6 cm                                 = 20 + 8     = 60
                                                                               2
                                2 cm    8 cm



                                    cm                                      10 + 10    1
                                  2        10 cm                            + 4 2 )       × 10
                                 4      6 cm            10 cm      6 cm    = (20 + 4   2
                                                                                       × 6 =
                                  2 cm   8 cm                                  2 )
                                                                                         30




                                                   4 cm                     2(6 + 4)   6 × 4 =
                                            5 cm
                                                         6 cm
                                                                   4 cm
                                                                             = 20        24
                                     6 cm






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