Предмет: Геометрия, автор: annya2000

найдите угол adc равнобедренной трапеции ac образует с основанием bc и боковой стороной ab углы, равные 30 и 40 градусов соответственно

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Автор ответа: доминатор

ABC=CAD=30 градусов
BAD=ADC=30+40=70 градусов

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