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Isabel Sousa
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8
Redução ao 1º Quadrante
Isabel Sousa
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4
Razões trigonométricas - Introdução
Isabel Sousa
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Parâmetros de uma função quadrática
Isabel Sousa
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Circunferencia_9Pontos
Isabel Sousa
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Construir uma mediana de um triângulo
Isabel Sousa
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4
Mediana e Baricentro de um triângulo
Isabel Sousa
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Mediatriz de um segmento de reta [AB]
Isabel Sousa
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3
Incentro - construir e observar
Isabel Sousa
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10
Thinking Classroom Exploration: RT Tr…
Tim Brzezinski
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Produto de um escalar por um vetor
Isabel Sousa
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Secções numa esfera
Isabel Sousa
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4
Introdução geometria no espaço
Isabel Sousa
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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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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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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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05.1 Measures of Central Tendency
sonom
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'Tangram' Puzzle 'Cat'
GeoGebra Translation Team German
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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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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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