# The Ladder around the Corner Problem

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This Demonstration visualizes a typical problem of constrained optimization: find the maximum length of a ladder that can be moved horizontally around the corner between two perpendicular corridors of different widths and .

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Contributed by: Erik Mahieu (December 2013)

Open content licensed under CC BY-NC-SA

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Reference

[1] C. Rao, "The Ladder around a Corner Room," *Chaitanya's Random Pages* (blog). (Nov 7, 2010) ckrao.wordpress.com/2010/11/07/the-ladder-around-a-corner-problem.

## Permanent Citation