С4 ЕГЭ математика.вписанная окружность

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Uploaded by on Mar 28, 2011

Дан параллелограмм ABCD, . Окружность с
центром в точке О касается биссектрисы угла D и двух сторон
параллелограмма, исходящих из вершины одного его острого угла.
Найдите площадь четырёхугольника ABOD.
AB = 2, BC = 5, ∠A = 60D

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Uploader Comments (pymathru)

  • And what kind of problems do want to discuss than. I have some video lessons regarding quantum physic. Now I'm uploading one of them. Harmonic oscilator 40 minutes. Maybe group theory could be useful for you

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  • Здравствуйте, хотел спросить насчет 1-го случая.Если треугольник AED - равносторонний, то АЕ=5 > AB. Будет ли ответ такой же, если точка Е будет на прямой БС?

  • So, group theotry?Mbmb then i advice u make video on russian langues please. I want sew your test. If not difficult...

  • This are all very easy. In England all more difficult...

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