Предмет: Математика, автор: werlnna

помогите пожалуйста!! даю 50 балов!!

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Автор ответа: fghjkk23

0

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Пошаговое объяснение:

на рисунку А, там сума одностороніх кутів дорівнює 180 градусів. значить а і б паралельні

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