решить тесты по узбекскому языку.​

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Объяснение:

ответ:

пошаговое объяснение:

рисунок к в приложении.

1. сумма углов любого треугольника равна 180°.

β = 180° - 90° - 40° = 50° - второй угол - ответ.

2. катеты находим по тригонометрическим формулам.

b = c*cos40° = 15*0.64 = 9.60 - катет вс - ответ

a = c*sin40° = 15*0.77 = 11.55 - катет ав - ответ

ответ:

пошаговое объяснение: