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Proof Without Words
Author:
Šárka Voráčová
,
Steve Phelps
Drag the points in the sketch below. What do you notice? What does this prove? How does this prove it?
GeoGebra
Proof by H. Perigal (1830) and H. E. Dudeney (1917) See Cut the Knot:
Pythagorean Theorem
New Resources
Graph that Function (v3)
Geometric pattern
רישום חופשי
Joke : give a phone number for a math problem !
Untitled
Discover Resources
Circle - Related Rates
FehlerAbstand_02_GG4
Eigenschap 3
ScreenScale_forum
soccer 1
ورقة عمل 2 مجموعة 2 نشاط 7 مع بناء جدول اكسل.
Writing Ratios for Apples and Oranges
Discover Topics
Cosine
Vectors
Similarity Transformation or Similarity
Solids or 3D Shapes
Circle