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GeoGebra
Measuring for Congruence
Author:
Mitch Ehrman
Use the ruler positions and protractor positions check boxes to display then rotate these tools to measure the lengths and angle measures.
Discover Resources
Symmetric Matrix Characterization
Equal Area Triangles
Chapter 1: Essentials of Geometry
Squaring iteration (reals)
Related Rates: Filling/Draining Cone
New Resources
Stage 4 transformations (translation, reflection,rotation)
A theorem on regular n-gons (n is even)
rotation clockwise //gram
[Quantum Continuum]: EviL - [graphical method]
MCAS Essentials (Practice Questions)
