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Feuerbach's Theorem
Autor:
V8frr
Feuerbach's theorem, which states that the nine-point circle is tangent to the three excircles of the triangle as well as its incircle. Drag A, B and C to see that this reamins invariable for any triangle.
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Nuevos recursos
Graph of y = a(x − h)² + k
apec
Level Curves
Drunk Parabola
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logspiral
Proof Without Words
CCSS TP Algebra I 1.5.4 Example 4
Parallelogram Properties 2
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