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Pstulate 4
Author:
Tyler Haslam
After a reflection, corresponding line segments in an image and its pre-image are always parallel or lie along the same line
IF
they are parallel to the line of reflection.
GeoGebra
New Resources
"Compressed" Astroid as Envelope
Stairs (Optical Illusion)
Introduction
Rotating Points (Optical Illusion)
Piano. Keyboard.
Discover Resources
Periatt_Lindsey_angle_bisector
Hinged Tilings
Mutter_Constructions of Lines
Kreuzschalter
Projectile Fired at an Angle
Discover Topics
Secant Line or Secant
Circumcircle or Circumscribed Circle
Parallelogram
Parabola
Means