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

Untitled
apec
centripetal force
探究長方形對角線上的正方形數目
רישום חופשי

Discover Resources

Focus and directrix of a parabola.
Unit 1 - Language of Geometry
Translasi Pada Objek
การบวกเลขจำนวน 2หลัก
TVM Practice

Discover Topics

Multiplication
Geometric Mean
Vectors 3D (Three-Dimensional)
Limits
Similarity Transformation or Similarity