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

Conditions for Parallel Lines
Trammel of Archimedes
bewijs stelling van Pythagoras
Ellipse and Equation
רישום חופשי

Descubrir recursos

Deriving the trigonometric functions
Common Denominator Finder
inscribed angles
Vertical Translation Activity
SSA Ambiguous Case

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Lógica
Simetría
Combinatoria
Romboide
Diagramas