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Rotation
Author:
Dtravis2
Move the
red
point to change the angle of rotation. Move points E,F,G, and H to see how that effects the image.
GeoGebra
David Travis Lincoln North Star Math Department Lincoln, NE
dtravis2@lps.org
New Resources
Angles and Intersecting Lines: Quick Investigation
Slope of a Straight Line: Run and Rise
Simplifying Radicals: Geometric Thin Slice
Stairs (Optical Illusion)
Isosceles Triangle: Quick Construction
Discover Resources
Math 9: Chord Properties (Part 3 of 3)
Multiplying Fraction
Turtle 3
AreaPartCircle
Overview of the particular lines of the triangle
Discover Topics
Circumcircle or Circumscribed Circle
Statistical Characteristics
Scalene Triangles
Quadratic Equations
Natural Numbers