Предмет: Математика, автор: DogeShow

Прямой угол ACB лучом CD разбили на два угла. Найдите градусные меры углов, если известно, что угол ACD на 30° больше угла BCD. ПОМАГИТЕ ПЛИЗ!!!

Ответы

Автор ответа: yaghlinskaya

х+х+30=90
х=30 это всд
60 асд

Автор ответа: helena312

90°-30°=60°
60°:2=30° угол BCD
30°+30°=60° угол ACD

Автор ответа: DogeShow

откуда 90°?

Автор ответа: helena312

прямой угол ACB по условию дан. А ПРЯМОЙ угол равен 90 градусов

Автор ответа: DogeShow

а точно

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