ОПИСАННАЯ и ВПИСАННАЯ окружности. §21 геометрия 7 класс
Кратко самое главное: определения, свойства, следствия вписанных и описанных окружностей.
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![last in crmp | crmp 9 [gta in desc/гта в описании]](https://sun9-22.userapi.com/2FxJLPAzpbGBXDg4TeBd87EOHzE9okkv_GlpEA/Ojk4tcxX0MU.jpg)
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