Предмет: Геометрия, автор: schallbie

зовнішній кут при вершині трикутника дорівнює 130 градусів. Знайти внутрішній кут трикутника при цій вершині

Ответы

Автор ответа: Пеппер

0

Ответ:

50°

Объяснение:

Нехай ∠1=130°, тоді ∠2=180-130=50° за властивістю суміжних кутів.

Автор ответа: mrwestern2

0

Ответ:

50 градусів

Объяснение: 180 - 130 = 50, зовнішній кут = 180 - внутрішній, отже внутрішній = 50

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