GoGeometry Action 53!

Topic:Angles, Incircle or Inscribed Circle, Right Triangles

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

New Resources

Quiz: Vertical Angles and Linear Pairs
Graphical solution of ax² + bx + c = k
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
Circles - Relative Positions
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Discover Resources

Points
NC(7) - NC(2,7)
Operasi hitung bilangan bulat
Graphing Quadratic Functions - Vertex Form 2

Discover Topics

Differential Equation
Tree Diagrams
Arithmetic Mean
Exponential Functions
Linear Programming or Linear Optimization