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Simson's Line
Author:
DavidA
Topic:
Geometry
http://mathworld.wolfram.com/SimsonLine.html
Related Topics
Angles
Congruence
Conic Sections
Constructions
Coordinates
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self_orthogonal_trajectory
galton
Gyro with spinning object to show vector is right angle to spinning plane
Isosceles Triangle
Angle Bisector
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Vectors
Logic
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Mode
Quadrilaterals