GoGeometry Action 63!

Author:Tim Brzezinski

Creation of this applet was inspired by a tweet from Antonio Gutierrez. Feel free to move any of the triangle's vertices anywhere you'd like. How can we formally prove what is informally illustrated here?

Quick (Silent) Demo

New Resources

Prism Drawn in 1-Point Perspective
Triangle with 3 Right Angles
Volume by Shells Around y
Reflection across a line
Reflection = 180° Rotation about a Line

Discover Resources

Flowerbed
Verticaal verschuiven
זוויות בין שני ישרים הנחתכים ע"י ישר שלישי
arturo
Hình 3.45 trang 117

Discover Topics

Trigonometric Functions
Functions
Real Numbers
Centroid or Barycenter
Median Value