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Cut-The-Knot Action (4)!
Author:
Tim Brzezinski
Topic:
Square
Creation of this applet was inspired by a
tweet
from
Alexander Bogomolny
(
cut-the-knot.org)
.
How can you formally prove what this applet informally illustrates?
GeoGebra
Quick (Silent) Demo
New Resources
A retro cityscape with mathematics
Simplifying Radicals: Geometric Thin Slice
Construct a Square
Stairs (Optical Illusion)
Cross Product in 2D and 3D
Discover Resources
Graphing Linear Equations
Centroid of a Triangle
การลบจำนวนเต็ม
Untitled
'Heart' shape
Discover Topics
Reflection
Mode
LCM and GCD
Trapezoid
Area