Level 20

Autor:Colin Beveridge

Level 20 of http://euclidthegame.org/Level20.html asks you to construct the outer tangent to two given circles (here, a, with centre A; and b, with centre B). Here's how I'd do it.

Nuevos recursos

The Gardener's Ellipse
Area of a Trapezoid
Sum of Squares: Proof without Words
Rectangle Construction Template (V2)
apec

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INDUCTION MACHINE: Field space distribution
secant-sketch
Mapping 6
Snowman Globe
Circles Segments

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Círculo
Figuras planas
Sólidos
Vectores 2D (dos dimensiones)
Prisma