Given a regular dodecahedron (a twelve-sided solid in which each face is a regular pentagon that is congruent with each of the other faces) : If this solid is rolled on a surface, what is the probability that a specifically named face will be in contact with the surface?

Question

Mathematics

Arthur Vargas

24 March, 11:35

Given a regular dodecahedron (a twelve-sided solid in which each face is a regular pentagon that is congruent with each of the other faces) : If this solid is rolled on a surface, what is the probability that a specifically named face will be in contact with the surface?

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Answers (1)

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Susan Haas · Answer 1

1/12

Step-by-step explanation:

There are 12 faces. All faces are equally likely to land in contact with the surface. We are interested in 1 of the 12 faces.

probability = 1/12