#комбинаторика #задача
Дан выпуклый многоугольник P_1P_2...P_{2n} и точка Q, лежащая внутри него, но не лежащая ни на одной из его диагоналей. Докажите, что существует сторона многоугольника, не пересекающая ни одну из прямых P_iQ.
BY JustScience | Олимпиадная Математика
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