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

Rolling an Equilateral Triangle
apec
Slope Between 2 Points (Phase 2)
Untitled
Pathway to Proof: Triangle Angles

Descubrir recursos

Copy from triangle along line
Intersection of Circles and Spheres
vsajchvjc
Paper Cutting
Measuring Diameters and Circumferences

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Intersección
Desviación Estándar
Procesos estocásticos o aleatorios
Operaciones Aritméticas
Ortocentro