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GeoGebra
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The Area of a Regular Triangle and The Ratio its Radii
Author:
John Barrido
Click Animation buttons and observe the ratio of the radii and the area of the polygon.
GeoGebra
New Resources
Ellipse as Envelope - Correspondence Method
Stairs (Optical Illusion)
Slope of a Straight Line: Run and Rise
Pelecoid
Witch of Agnesi - A Classical Construction
Discover Resources
Cross Sections of a Rectangular Prism
Πλάγια Κρούση | Oblique Percussion
Core 1 chapter 4 Year 12 graph transformations
Vector Space of Polynomials
Central Angles, Inscribed Angles, and their Intercepted Arcs
Discover Topics
Planes
Optimization Problems
LCM and GCD
Congruence
Pie Chart or Circle Chart