PRISMA CUADRANGULAR 2

Lado =  12 cm     Base = 10 cm          10 x 10 = 100 cm cuadrados
                                                                                        100 x 2 = 200 cm cuadrados
                                                                                        12 x 10 = 120 cm cuadrados
                                                                                        200 + 120 = 320 cm cuadrados.