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.

Answers distribution

parabolic cylinder
elliptic paraboloid
hyperbolic paraboloid
elliptic hyperboloid
answers
flagthe United Kingdom
11%
5%
52%
29%
17
flagPoland
8%
27%
43%
19%
1236
flagUnknown
9%
26%
42%
20%
115
flagGermany
0%
84%
0%
15%
13

Gender

men44%
women41%
parabolic cylinder
10%
10%
elliptic paraboloid
24%
30%
hyperbolic paraboloid
44%
41%
elliptic hyperboloid
20%
17%

Language versions

question
answers
results
flag
Welche Fläche hat die Form eines Sattels?
0
0%
flag
Which quadric surface is shaped like a saddle?
10
60%

Details

Author: Ninjai
Illustration: wikimedia
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