Предмет: Математика, автор: L28

луч ВD делит развернутый угол ABC на два угла так, что градусная мера угла АBD в 6,2 раза меньше градусной меры угла CBD, чему равна градусные меры углв ABD и CBD?

Ответы

Автор ответа: lychuk

элементарно!
х+6,2х=180
7,2х=180 и решай!!!!

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