Предмет: Геометрия, автор: леночка158

угол 1 равен 130 градусов,
угол 2 равен 50 градусов,
угол 3 равен 30 градусов. Найти Угол 4,5,6,7.
пожалуйста, срочно надо...

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Автор ответа: di1nk
0
Ответ: 4=30,5=100,6=150,7=150
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Автор ответа: леночка158
0
спасибо
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