MA-2: Sliding Ladder

Autor:Mark Dawes

A ladder 10m long (!) rests on horizontal ground against a vertical wall. As the foot of the ladder slips away from the wall, what is the locus of the centre of the ladder?

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רישום חופשי
Involute of the Circle
The 3D Space
bewijs stelling van Pythagoras
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Sum of Squares & Perfect Square 平方和與完全平方
Construction of Parallelograms
Line Design Complete
Phase Circle Bifurcation
Petlach book, kleenex, ball

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Pirámide
Ecuaciones
Hipérbola
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