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

Chapter-12-2: Least squares error
Quadrilateral that Can Inscribe a Circle
Images of F
Slope Intercept Practice (Part 2)
Tessellation with Irregular Polygons

Discover Resources

Derivative of Natural Log Function
Roots of Complex Numbers
TriangleIntersection
Goofy Skiing
Logistic Growth Exploration

Discover Topics

Step Functions
Normal Distribution
Linear Equations
Definite Integral
Straight Lines