Предмет: Геометрия, автор: lol5515

Сторона ромба образует с одной из диагоналей угол 50 градусов. найдите углы ромба. (напишите условие и решение)

Ответы

Автор ответа: joker425
0
ABCD ромб, bd диагональ.  Угол ABD 50
Тогда угол bda тоже 50, потому что треугольник аbd равнобедренный. 
Угол bad = 180-50-50=80
Далее аналогично. Угол bdc = углу ABD , так как они накрестлежащие
И тогда угол cda = 50+50=100
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