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

Untitled
Fourier Lissajous (Mechanical)
apec
Cartesian vs Polar
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם

Discover Resources

aplicar
Paralellogram - measurements
Mini-Quiz #2 Algebra 2
Rotating Box - Javascript
graph1_b
Longuet Labyrinth

Discover Topics

Similarity Transformation or Similarity
Natural Numbers
Parallelogram
Sphere
Constructions