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

גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
Snake year !
apec
Constructing the Angle Bisector + Practice
Pendulum Snake

Discover Resources

Euler's Nine-Point Circle
Heart Curves
Similar Right Triangles 10
Graphing Linear Equations -1
ฟังก์ชันไซน์

Discover Topics

Functions
Definite Integral
Rotation
Curve Sketching
Division