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

Proof of a Rhombus by Construction and Deduction
Nikmati Keunggulan Di Bandar Judi Terpercaya
အခြေခံ data အခေါ်အဝေါ်များ
Slope
z`]]

Discover Resources

Quadratic functions
bridge
NEW PATTERN
Untitled
circumcenter

Discover Topics

Equilateral Triangles
Orthocenter
Quadratic Functions
Difference and Slope
Definite Integral