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GeoGebra
GeoGebra Classroom
Outline
Plane Geometry 1P
Supplementary Angles
Definition of complementary angles
Vertically Opposite Angles
Angles on a Straight Line
Cointerior Angles
Angles in a Right Angle
Alternate Angles
Corresponding Angles
Angles in a triangle
Sum of the Interior Angles of a Polygon
Plane Geometry 1P
Author:
Melinda Lula
Topic:
Geometry
a collection of plane geometry activites
Supplementary Angles
Definition of complementary angles
Vertically Opposite Angles
Angles on a Straight Line
Cointerior Angles
Angles in a Right Angle
Alternate Angles
Corresponding Angles
Angles in a triangle
Sum of the Interior Angles of a Polygon
Next
Supplementary Angles
New Resources
Ellipse, Hyperbola and Circle as Envelopes
Stairs (Optical Illusion)
"Compressed" Astroid as Envelope
Play C3 E3 G3 C4_C4
Rotating Points (Optical Illusion)
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Finding the Missing Angle
picture project
Parallelograms
Charles Redfearn
Conics Eccentricity Slider
Discover Topics
Standard Deviation
Area
Circumcircle or Circumscribed Circle
Interest Calculation
Mathematics