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

apec
Traffic Cone
Trefoil Knot
Circles - Relative Positions
Graphical solution of ax² + bx + c = k

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Finding a Point (Grid Lines)
Introduction
Untitled
Радианная и градусная меры углов

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Procesos estocásticos o aleatorios
Geometría
Rectángulo
Números Reales
Ortocentro