Cut-The-Knot-Action 8!

Author:Tim Brzezinski

Creation of this applet was inspired by a tweet from Alexander Bogomolny. How can you formally prove that the area of the orange triangle is less than or equal to

of the area of the ENTIRE TRIANGLE?

New Resources

Graphs of Rational Expressions
Parallelogram Linkage
apec
Nikmati Keunggulan Di Bandar Judi Terpercaya
Task 3 - Custom Solid 1

Discover Resources

Seeing Euclidean motions defined by formulas
TEST
Geogebra is Fun!!
Regular Polygons BASD
Exploring exponents on a graph

Discover Topics

Cuboid
Congruence
Indefinite Integral
Square
Parallelogram