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XIE Yuheng
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XIE Yuheng
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Cut Equilateral Triangles into Rectan…
Anthony OR 柯志明
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雙曲幾何
XIE Yuheng
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構造切線 / construct the tangent line
XIE Yuheng
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線之極點定理 / pole of a line theorem
XIE Yuheng
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雙曲線之極偶 / polarity for hyperbola
XIE Yuheng
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拋物線之極偶 / polarity for parabola
XIE Yuheng
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橢圓之極偶 / polarity for ellipse
XIE Yuheng
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極線對偶定理 / polar duality theorem
XIE Yuheng
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點之極線定理 / polar of a point theorem
XIE Yuheng
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給圓上的四點 觀察其所能形成的三對 阿波羅涅斯極偶 關係
XIE Yuheng
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極線獨立定理 / polar independence theorem
XIE Yuheng
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初犯九點圓
XIE Yuheng
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Equivalent Ratios
Duane Habecker
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Poorly Drawn Quadrilaterals
Steve Phelps
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Convex quadrilaterals
Paulo Correia
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Gauss-Jordan 2x2 Elimination
Auston B Cron
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Angle Estimation Warmup
Andrew Knauft
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Number Pyramids
Jennifer Silverman
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Graph the Line
Steve Phelps
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Flip Flop
John Golden
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5-Piece Puzzle
Duane Habecker
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right triangle paradox
sonom
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SSA triangle: The Ambiguous Case
talljerome
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Least Squares
timteachesmath
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AQR Section 17: Mean but Sensitive
Steve Phelps
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AQR Section 17: Where's the Mean?
Steve Phelps
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Secant Slope Calculator
Jake Binnema
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Exponential or Logistic Function that…
talljerome
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Growth of Facebook.com
Roy Wright
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Lower and Upper Sum of a Function
GeoGebra Materials Team
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One-Son Policy Simulation
Steve Phelps
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Analog Clock
Duane Habecker
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Pendulum Wave Machine (Simulation)
Michael Borcherds
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Hilbert curve
Thijs
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'Tangram' Puzzle 'Cat'
GeoGebra Translation Team German
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Spirograph-Epitrochoid Earth and Moon
Bill Lombard
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Inclined Plane with Two Masses and a …
Tom Walsh
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The Relationship Between Human Height…
Roy Wright
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Factorization - Visual illustration o…
Ethan Hall
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Rotating a Triangle Around a Coordina…
Steve Phelps
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Area of a Circle - Wedge/Sector Demon…
Linda Fahlberg-Stojanovska
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Triangle Paradox (Missing square puzzle)
Michael Borcherds
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