Надо найти x и y во всех задачах
X=80 y=180-80 = 100 --- x = 180-52 = 128 --- x = 40 y = 180-40 = 140 --- x = 50 --- x = 180-52-52 = 76 --- x = 180 - 78/2 - (180-78) = 39