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

רישום חופשי
Determinant Equation of a Line
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
Noisy loop
Taylor Series for 1/(1 - x)

Discover Resources

Elipse
Areas of a Unit Circle
Triangle reflection
Conde_B3_Translations
Hình 2.5 trang 45

Discover Topics

Special Points
Quadrilaterals
Secant Line or Secant
Tree Diagrams
Rotation