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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
Quiz: Finding Average Rate of Change
Variation Theory Parallelogram Proofs
Shadow of a Cube (v2)
Blancmange curve (fractal)
Average Rate of Change: Graph a Function (1)
Discover Resources
Angles in the same segment
Start, Perpendicular Bisector
Cubic Function
Perpendicular Bisectors
Input
Discover Topics
Random Variables
Logarithmic Functions
Geometric Transformations
Translation
Difference and Slope