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Cut-The-Knot-Action 11!
Author:
Tim Brzezinski
Topic:
Equilateral Triangles
Creation of this applet was inspired by a
tweet
from
Alexander Bogomolny
.
How can you formally prove what this applet informally illustrates?
GeoGebra
Quick (Silent) Demo
New Resources
Tutorial: Create lists of numbers and objects
Blancmange curve (fractal)
Poorly Drawn Parallelograms
Average Rate of Change: Graph a Function (1)
Construct a Conic
Discover Resources
Rflection of a triangle
H Intro to Sliders
Gradient Functions No Spreadsheet
pg.42 example 2
HISTOGRAM 2
Discover Topics
Hypothesis Testing
Quadratic Equations
Cube
Standard Deviation
Scatter Plot