Keyword: catenary

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Keyword: catenary

Is the Gateway Arch a Parabola?

02/09/2017 9:11:59 PM PST · by grey_whiskers · 55 replies
IntMath.com ^ | 06-May-2010 | Murray Bourne

The Gateway Arch in St Loius, Mo., USA, is part of the Jefferson National Expansion Memorial. The shape of the arch certainly looks like a parabola, but is it?

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