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Semelhança de triângulos: Definição, …
Jorge Cássio
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Área de Figuras Planas - parte 1
Olga Giraldi
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Área do Paralelogramo
Maria da Luz Alves
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Cópia de Desigualdade triangular
Ana Abrantes
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ângulos internos e externos de um tri…
Joaquim Baião
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Soma dos ângulos: Pentágono
Derivando a matemática
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Reflexão, translação, rotação e refle…
Assis Carneiro
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Cópia de Soma dos ângulos externos de…
Ana Duarte
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Ângulos internos e externos de polígonos
Cristina Raposo
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Classificação dos Quadriláteros
Manuel Gonçalves
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10
GM7 - Geometria e Medida
João Vieira
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Homotetia de razão -2
Teresa Pinto
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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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Flip Flop
John Golden
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Guess My Rule (2013)
John Golden
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5-Piece Puzzle
Duane Habecker
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GeoGebra Pentominoes
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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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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Moss Egg by Robert Dixon
Bill Lombard
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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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Kaleidoscope
Michael Borcherds
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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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