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Cut-The-Knot-Action 14!
Author:
Tim Brzezinski
Topic:
Circumcircle or Circumscribed Circle
,
Equilateral Triangles
,
Square
Creation of this applet was inspired by a
tweet
from
Alexander Bogomolny
.
How can you formally prove what this applet informally illustrates?
GeoGebra
New Resources
Parallel or Not? (V2)
Introduction
Simplifying Radicals: Geometric Thin Slice
Piano. Keyboard.
Witch of Agnesi - A Classical Construction
Discover Resources
Angles in a triangle in 3d space
Triangle Inequalities
Arc length of a function
Residuals to a Regression Line
Animated 60 Degree Angle of Rotation
Discover Topics
Variance
Cuboid
Step Functions
Upper and Lower Sum or Riemann Sum
Straight Lines