GoGeometry Action 28! (Quick Angle Problem)

Author:Tim Brzezinski

Creation of this applet was inspired by a tweet from Antonio Gutierrez. What is the measure of the pink angle? How can you formally prove this to be true?

New Resources

Text with alpha background color
Perimeter of a Rectangle with Unknown Sides
Export grapfics view
Tangent Plane to a Sphere
z`]]

Discover Resources

AREA OF TRIANGLE USING HERON'S FORMULA
Costruzione di tre triangoli equivalenti
Penns Valley Demo
Mid-Quad Tiling
Visualizing Linear Inequalities on a Graph

Discover Topics

Interest Calculation
Kite
Circle
Integers
Volume