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Cut-The-Knot-Action 12!
Author:
Tim Brzezinski
Creation of this applet was inspired by a
tweet
from
Alexander Bogomolny
.
How can you formally prove the phenomena dynamically illustrated here?
GeoGebra
Quick (Silent) Demo
New Resources
Linear Cross Section Exercise
Slope of a Straight Line: Run and Rise
Drag that Point!
Cross Product in 2D and 3D
A retro cityscape with mathematics
Discover Resources
Internal forces - three-hinged frame with tie
PrimeFactors8
Upper and Lower Sums
Addition zweier komplexer Zahlen (mit Animation)
Section 5-1
Discover Topics
Division
Sine
Curve Sketching
Area
Histogram