Предмет: Геометрия, автор: evialina1707

Пожалуйста помогите, с объяснением

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Ответы

Автор ответа: Аноним

Ответ: 60°; 30°

Объяснение:

∠ВАС=∠КВА - внутренние накрест лежащие при АС║ВА и секущей АВ

значит, ∠ А=60°, сумма острых в прямоугольном треугольнике равна 90°⇒∠АВС=30°

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