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Intermediate

Locus pocus II

What is the locus of points P for which perpendicular lengths (red=l, green=n, purple=m) to the sides of an isosceles triangle satisfy the condition red*green = purple2?

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Solution

The locus of P is a circle.

Solution by Stéphane Bernard.

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One reply on “Locus pocus II”

This would be an Advanced problem, if you want to find the full locus, not just the circular part of it. What is the hyperbola?

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