Cross Sections and Number of Faces, Edges, and Vertices

What is the cross section of the rectangular prism?

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What is the cross section of the cone?

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What is the cross section of the cylinder?

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When you cut a cross section of a cone that is parallel to the base you get a

• circle

• square

• triangle

• octagon

When you cut a cross section of a cylinder that is perpendicular to the base you get a

• Rectangle

• Triangle

• square

• nothing

When you cut a cross section of a triangular prism that is perpendicular to the base you get a

• hexagon

• Rectangle

• circle

• square

When you cut a cross section of a hexagonal prism that is perpendicular to the base you get a

• Square

• Rectangle

• circle

• triangle

How are prisms named?

• By the number of faces

• by the shape of the base

• by the number of edges

• By their size

A polyhedron has 6 faces and 7 vertices. How many edges does it have? (F + V = E + 2)

• 11

• 14

• 17

• 25

A polyhedron has 6 vertices and 9 edges. How many faces does it have? (F + V = E + 2)

• 3

• 5

• 7

• 9