Răspunsuri

2014-05-22T09:31:47+03:00
Ppatrat = 4l = 36 => l = 9 => Apatrat = l² = 81
Pdreptunghi = 2L + 2l = 36 => 24 + 2l = 36 => l = 6 => Adreptunghi = 12 * 6 = 72