Cut-the-Knot-Action 13!

Author:Tim Brzezinski

Creation of this applet was inspired by a tweet from Alexander Bogomolny. LARGE points are moveable at any time. How can you formally prove what this applet informally illustrates?

New Resources

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Two-Way Tables and Ven Diagrams
Silhouettes
רישום חופשי
Nikmati Keunggulan Di Bandar Judi Terpercaya

Discover Resources

Jumlah sudut dalam dan sudut luar segitiga
Stewie Translations
Perpendicular Lines Investigation
dogfinal
Kubiese-grafiek

Discover Topics

Rotation
Line Segment
Similarity Transformation or Similarity
Tangent Function
Root