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

גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
seo tool
JLA Copy of ANSHS_BascoAlyana
JLA Copy of Eri Chan
Ogee Arch - Construction

Discover Resources

Random music
true/powerline-perpendicular.ggb
Exploring Trigonometric Ratios
AA Criterion
Nichtvertauschbarkeit

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Cone
Correlation
Cosine
Arithmetic
Algebra