The Nagel Point

Author:Steve Phelps

Construct the three excircles of a triangle. Construct the tangents at the sides. Lines drawn from the vertex to the tangent point on the opposite side are concurrent.

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רישום חופשי
bewijs stelling van Pythagoras
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Slope Between 2 Points (Phase 2)
Graphs of Rational Expressions

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擴分
Olimpiada Iași 1.
Cosine and Sine Circle Explorer
Thales' Theorem
Assessment of Learning

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Geometry
Integral Calculus
Differential Equation
Rectangle
Parallelogram