Предмет: Математика, автор: nikcita123987

Срочно решите 2 задание!!!​

Приложения:

Ответы

Автор ответа: MatemaX9
1

Ответ:

117°=внешний ∡ В

Пошаговое объяснение:

Внешний угол равен сумме двух внутренних углов не смежных с ним. Значит угол внешний при вершине В равен сумме внутренних ∡А+∡С

42°+75°=внешний ∡ В

117°=внешний ∡ В

Автор ответа: Аноним
1

Ответ:

42°+75°=внешний ∡ В

117°=внешний ∡ В

Пошаговое объяснение:

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7. What was it a good chance to practice my speaking skills?
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