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Answer to Question #211 in Geometry for Betty

Question #211
Đ•here are n unparallel lines in pairs on a plane. Prove that the angle between two of them is not more then (180°/n).
Expert's answer
Let's take a random point on plane and draw lines through it which will be parallel to given lines. The drawn lines will divide a plane into 2n angles which in a sum give 360°. That is why one of those angles do not exceed (180°/n).

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