Предмет: Математика, автор: irka424

помогите вот фото номер 5

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Автор ответа: mixalu4

а) если стороны перпендикулярны то углы между ними равны
2х=3х-33
3х-2х=33
х=33

б) сумма углов равна 184, углы равны 184/2= 92

в) все тоже 4х-10=6х-30
6х-4х=30-10
2х=20
х=10

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