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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
Measuring Cup
Slopes of Straight Lines
רישום חופשי
Weighing Scales: Lessons and Practices
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
Discover Resources
Simple Sine Table (original)
A quadrilateral that is inscribed in a circle that by dynamic process convergent to a square
Two Inch Ruler with Fractions
Week 2
Frutas
Discover Topics
Set Theory
Limits
Trigonometric Functions
Intersection
Inequalities