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Textbook Answers – Edges, Faces, Vertices

July 17, 2016

Workout

Question 1:

(a)  Cube: Edges = 12, Faces = 6, Vertices = 8

(b)  Cuboid: Edges = 12, Faces = 6, Vertices = 8

(c)  Triangular Prism: Edges = 9, Faces = 5, Vertices = 6

(d) Tetrahedron: Edges = 6, Faces = 4, Vertices = 4

(e)  Square based Pyramid: Edges = 8, Faces = 5, Vertices = 5

(f)  Pentagonal Prism: Edges = 15, Faces = 7, Vertices = 10

(g) Pentagonal based Pyramid: Edges = 10, Faces = 6, Vertices = 6

Apply

Question 1:

Cube: The number of edges/faces are the wrong way around. It should be 12 edges and 6 faces.

Square based Pyramid: It should have 8 edges, not 5.

Triangular Prism: It has 5 faces, not 9.

 

Categories: answers, Uncategorized
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