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

How many fishes?
bewijs stelling van Pythagoras
apec
Golden Rectangles and Golden Spirals
seo tool

Discover Resources

Finding the rule for ax + by = c graphs
Composite Shapes 4
hahaha
Slope

Discover Topics

Random Experiments
Statistical Characteristics
Histogram
Cube
Vectors