Which quadric surface is shaped like a saddle?
parabolic cylinder
elliptic paraboloid
hyperbolic paraboloid
elliptic hyperboloid
The widely sold fried snack food Pringles potato chips resemble a truncated hyperbolic paraboloid. The distinctive shape of these chips allows them to be stacked in sturdy tubular containers, fulfilling a design goal that they break less easily than other types of chip.
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Answers by country
parabolic cylinder
elliptic paraboloid
hyperbolic paraboloid
elliptic hyperboloid
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