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Homework: pg. 798-799/2-20, 32. Warm Up: 1. Use Euler's Theorem to find out how many edges a figure with 6 vertices and 4 faces would have. 2. Name a figure that is not a polyhedron 3. How many faces, edges and vertices to the following figures have:. Homework Questions?. right cylinder.

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Warm Up:

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Homework: pg. 798-799/2-20, 32

Warm Up:

1. Use Euler's Theorem to find out how many edges a figure with 6 vertices and 4 faces would have.

2. Name a figure that is not a polyhedron

3. How many faces, edges and vertices to the following figures have:

Homework Questions?

right cylinder

rectangular prism

tetrahedron

sphere

Homework: pg. 798-799/2-20, 32

cube

triangular prism

square pyramid

triangular prism

pentagonal pyramid

cone

Make a guess about what shape you would fill in each blank (There  may be more than one right answer!):

A sphere is intersected by a plane. The cross section is a  ________________________________.

A cone is intersected by a plane. The cross section  is a __________________________________.

A cylinder is intersected by a plane. The cross section  is a ____________________________.

A cube is intersected by a plane. The cross section is a  __________________________________.

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