Bell Ringer

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Bell Ringer
Rectangular prism

• Identify each of the following shapes.
• In geometry, what is a net?
• what is surface area?

Right square pyramid
Triangular pyramid
cube
cylinder
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NetSurface Area

• A flat representation of all the faces of a
  polyhedron
• Sum of the areas of its faces

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9.1 Solid Figures

• 3-D shapes are solid figures or solids

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polyhedron
A solid that is formed by polygons

• A solid with faces that are polygons (a closed
  plane figure with at least three sides)

The polygons that make up a polyhedron are the
faces of the polyhedron.
face
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• A polyhedron with two congruent and parallel
  faces, called bases.
• The other faces, which are parallelograms, are
  the lateral faces.

Prisms
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Rectangular Prism

• Prism is rectangular because the bases are
  congruent rectangles.
• Lateral edges are perpendicular to the bases.

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Cylinders
base
height
Radius
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To do Finish Net Worksheet