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

Marion's Theorem
bewijs stelling van Pythagoras
apec
Set Operations (2 Sets)
Nikmati Keunggulan Di Bandar Judi Terpercaya

Discover Resources

Tessellation Rotation
Puntsymmetrie
Set Point Values conditionally - Forum Example
CopyAngle
平行四辺形リンク
reflection 2

Discover Topics

Logarithm
Correlation
Random Variables
Fractions
Arithmetic