All entries for Monday 18 May 2009

May 18, 2009

Maths Challenge #5 – Après–le–Ski

The little-known Alpine village of Après-le-Ski is situated in a deep mountain valley with vertical cliffs on both sides. The cliffs are 600 metres high on one side and 400 metres high on the other. A cable runs from the foot of each cliff to the top of the other cliff, and the cables are perfectly straight.

Apres-le-Ski
At what height above the ground do the two cables cross?

(Picture not to scale)


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