Suppose we have $n$ lines in general position in the plane. Prove that there are at least $n-2$ ''small'' triangles. Here a "small" triangle is a triangle that is not contained in any larger triangle.
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$n$ lines in general position; there are $n-2$ small trianglesSuppose we have $n$ lines in general position in the plane. Prove that there are $n-2$ ''small'' triangles. Here a "small" triangle is a triangle that is not contained in any larger triangle.
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