Задача Задача №3334892
А
А
Г triangle ABC: A = B + 50, C = B/3. Сумма углов равна 180.
(A) + B + (C) = 180 (B + 50) + B + (B/3) = 180 (7B/3) + 50 = 180 7B/3 = 130 B = 390/7 ≈ 55.714°
A = B + 50 = 390/7 + 350/7 = 740/7 ≈ 105.714° C = B/3 = (390/7)/3 = 130/7 ≈ 18.571°
Ответ: A ≈ 105.71°, B ≈ 55.71°, C ≈ 18.57°.