Cut-The-Knot-Action 8!

作成者: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?

新しい教材

兩位數的位值
apec
bewijs stelling van Pythagoras
函數的奇偶性
Area Between Two Curves

教材を発見

Physics graph
incircle
Euler Segment
เรือน้อยลำหนึ่ง
Linear Transformations
Investigating Reflections for Leaping Lizard

トピックを見つける

数学
行列
相似三角形
直線・線分
接線