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A catenary is produced by hanging a chain from two points some distance apart. The equation for a catenary is the hyperbolic cosine. One simple example of a catenary can be found if you look at the power lines running between two poles. A parabola is produced by putting a hanging chain or cable under an equally dispersed load. An example of this can be seen on a suspension bridge, the cable hanging from two towers with the road below hanging from vertical cables attached to the main suspension cables.

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What is the strongest arch?

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What is the mathematical term for the St. Louis Arch.?

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How was the Gateway Arch created?

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