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Автор - prinzessa555

решите пожалуйста
13 и 14​

Ответ

Автор - shumanskamariap5lof5

14 задача

Ответ: ∠ АСВ 72°

Пошаговое объяснение:

1) ∠ ВАС 41°+41° =82° ( бісектриса ділить ∠ навпіл )

2) ∠ АВС +∠ ВАС + ∠АСВ = 180° градусів ( сума ∠ трикутника )

    далі  26°+ 82° + АСВ =180°  звідси знаходимо АСВ

3) АСВ = 180° - 26° - 82°

4) отже АСВ = 72 °

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