Предмет: Геометрия, автор: itmarygold

нарисуйте треугольник

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Ответы

Автор ответа: maksimosnickij050

Відповідь:

BCA=63

Пояснення:

BED=180 - (EDB+CBA)=180-(33+84)=63

BCA= BED как соответсвеные при паралельных прямых

ED\\ CA и секущей BC. поетому BCA=63

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