Предмет: Геометрия, автор: masha191390

задачи на нахождение углов треугольника​

Приложения:

Ответы

Автор ответа: xednay321
1

Ответ:

1)60°  2)45°  3)50°  4)150°   5)60°  6)105°  7) -

Обьяснение:

1)180-70-50=60°

2)90-45=45°

3)(180-80)/2=50°

4)180-15*2=150°

5)180-120=60°

   угол ABC= углу ACB=60°

   180-60*2=60°

6) ∠DAC=∠BAD=∠BAC/2=∠BCA/2=25°

   180-25-50=105°

7) НЕТ ВОПРОСА

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