question edit history translations

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.

Ninjai

0

wikimedia wikipedia → Paraboloid

geometrymathematics

Geometry quiz Mathematics quiz

You will play as

Answers by country

the Netherlands

6%

12%

62%

18%

16

France

0%

14%

61%

23%

21

the Philippines

13%

20%

60%

6%

15

the United Arab Emirates

0%

30%

60%

10%

10

Germany

5%

30%

51%

13%

223

Australia

9%

27%

50%

13%

22

Canada

5%

27%

50%

16%

18

the United States

12%

18%

47%

20%

143

India

10%

23%

47%

15%

113

the United Kingdom

9%

28%

47%

13%

74

Austria

7%

39%

47%

5%

38

Greece

0%

23%

47%

29%

17

Poland

8%

25%

46%

18%

4783

Switzerland

13%

34%

44%

6%

29

Ghana

20%

10%

40%

20%

10

Republic of Ireland

21%

21%

35%

14%

14

Italy

10%

50%

30%

10%

10

What is the sum of the opposite sides of a dice?

Augustus was born on 1 January 10BC. Which birthday did he celebrate at 1 January 10AD?

How many edges does a Möbius strip have?

If 8 identical balls weigh 6 kg, what is the weight of 12 balls?