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Cut-the-Knot Action 15!
Author:
Tim Brzezinski
Topic:
Circumcircle or Circumscribed Circle
,
Incircle or Inscribed Circle
Creation of this applet was inspired by a
tweet
from
Alexander Bogomolny
.
How can we formally prove THIS to be true?
GeoGebra
Quick (Silent) Demo
New Resources
Monkey typing Shakespeare's complete works
Lorenz Attractor: Multiple particles
Oriented Angles and the Unit Circle
Divisible Polynomials - Remainder and Factor Theorems
Roman Numerals Bingo
Discover Resources
Środek ciężkości w trójkącie ostrokątnym
Working with circle and ellipse - 2
Angle at Centre
Football Field 1.0
Campo de conductor recto indefinido
Discover Topics
Vectors 2D (Two-Dimensional)
Hypergeometric Distribution
Linear Regression
Normal Distribution
Cone