Simson-Wallace variation

Author:M. Pilar Vélez

Construct a triangle ABC and free point D. Consider the perpendicular lines to DA, DB and DC. Ask for the locus of D so that these perpendicular lines are concurrent.

Simson-Wallace variation (M. de Guzman's book, pp45)

New Resources

Rose Curve
Hyperbolic Paraboloid
Damped Trochoidal Curve
Some random function
z`]]

Discover Resources

#3 why be normal
Rotational Symmetries
asin(bx+c)+d
Transversal Line Theorem Pt2

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Sine
Circumcircle or Circumscribed Circle
Conic Sections
Circle
Normal Distribution