Cut-The-Knot-Action 8!

Autor:Tim Brzezinski

Creation of this applet was inspired by a tweet from Alexander Bogomolny. How can you formally prove that the area of the orange triangle is less than or equal to

of the area of the ENTIRE TRIANGLE?

Nuevos recursos

Parallel Lines and Angles: Thinking Classroom Exploration
Parallel Lines & Related Angles: Quick Reminders
Parabola - Write the Equation - Practice
apec
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Virtual Ferris Wheel (Height Trig Function)
DazzoC1
circle_1
مثال4 ص 7
Constructing triangles 3 lengths

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Regresión Lineal
Conjuntos
Gráfica de Funciones
Números Naturales
Función Tangente