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Home > CCG > Chapter 11 > Lesson 11.1.3 > Problem 11-42

11-42.

8 sided polyhedron, all faces are triangles.The solid at right is a regular octahedron.  

 

  1. Trace the shape on your paper. How many faces does it have? How many edges? Vertices?

    faces
    edges
    vertices

  1. If an octahedron is sliced horizontally, what shape is the resulting cross-section?

    It is a type of parallelogram.