Уравнение прямой -- y = kx + b.1) Найдем сторону АВ:2 = -3k + b-2 = 3k + bb = 0k = (b - 2)/3 b = 0k = -2/3y = -2/3 xНайдем сторону AC:2 = -3k + b-1 = 0k + bb = -13k = b - 2b = -13k = -3b = -1,k = -1y = -x - 1Найдем сторону BC:-2 = 3k + b-1 = 0k + bb = -1k = (-2 - b)/3b = -1k = (-2 + 1)/3 = -1/3y = -1/3 x - 12) Найдем сторону AB:6 = 2k + b 0 = -4k + bb = 4k6k = 6k = 1b = 4y = x + 4Найдем сторону AC:6 = 2k + b2 = 4k + b2k = -4b = 6 - 2kk = -2b = 6 - 2*(-2) = 10y = -2x + 10Найдем сторону BC:0 = -4k + b2 = 4k + b2b = 24k = bb = 1k = b/4b = 1k = 1/4y = 1/4 x + 1