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GeoGebra
GeoGebra Classroom
Outline
Triangles
Congruence of triangles
Puzzle 1
Triangles
Author:
Steven Usher
Congruence of triangles
Puzzle 1
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Congruence of triangles
New Resources
van Aubel's Theorem
Play C3 E3 G3 C4_C4
Construct a Square
Linear Cross Section Exercise
Angles and Intersecting Lines: Quick Investigation
Discover Resources
Bisectriz
Bearings - From one point to another
Rotations on a Coordinate Plane
Bourke High School - Area of an Annulus
Exterior Angle Theorem
Discover Topics
Planes
Parametric Curves
Trigonometry
Multiplication
Cosine