GoGeometry Action 53!

Onderwerp:Hoeken, Ingeschreven cirkel, Rechthoekige driehoeken

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

Quick (Silent) Demo

Nieuw didactisch materiaal

Reflection = 180° Rotation about a Line
רישום חופשי
Triangle with 3 Right Angles
Untitled
Reflection Across 2 Parallel Lines

Ontdek materiaal

Minimum problem
advanced functions final
stRhomb
Comparing fractions with same numerator-2
Triangle Inequality

Ontdek onderwerpen

Normaalverdeling
Combinatieleer
Integraalrekenen
Frequentieverdeling
Kegel