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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Circle Passing Through 3 Points
Reflection = 180° Rotation about a Line
Prism Drawn in 1-Point Perspective
רישום חופשי
Reflection across a line

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circus
Graf för sinus
Dialation
การแก้ระบบสมการเชิงเส้นสองตัวแปร

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Parametric Curves
Bar Chart or Bar Graph
Cosine
Quadrilaterals
Isosceles Triangles