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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
Quiz: Vertical Angles and Linear Pairs
רישום חופשי
Circles - Relative Positions
Untitled
Angles of Intersecting Lines
Discover Resources
Random Country Outlines
AbsSinCosk
J.G.
Yr 3 Mod 5 5.7 areas of squares
Euler Line
LTFMSVD01
Discover Topics
Limits
Addition
Derivative
Arithmetic Mean
Functions