Предмет: Математика, автор: katrinapop

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Автор ответа: fedinanada20

Пошаговое объяснение:

Сторона будет лежать между лучом и бтссектрисой.Угол = а,тогда уголтмежду стороной и биссектрисой = 90-а.

Что бы найти данный угол нужно умножить угол на два : (90-а)•2 = 180-2а

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