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

दुई-ओटा समुहको संयोजन (Union of two sets)
רישום חופשי
အခြေခံ data အခေါ်အဝေါ်များ
立体几何-公理3及推论
Cosine in Cartesian and Polar Coordinates

Discover Resources

tm1 ltuckfield
Untitled 11
Surface Area of Prism
Oct Locked
Completing the Square (Part 3): IM Alg1.7.14

Discover Topics

Terms
Prism
Ratios
Congruence
Variance