Section 12.1. Section 12.2: Prisms All prisms have two congruent and parallel faces, called bases, for which it is named. All other faces of a.

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Presentation transcript:

Section 12.1

Section 12.2: Prisms All prisms have two congruent and parallel faces, called bases, for which it is named. All other faces of a prism are parallelograms called lateral faces. The segments connecting the vertices are called lateral edges.

Right Prisms – The height of a prism is the perpendicular distance between its bases. In a right prism, each lateral edge is perpendicular to both bases. Therefore, a lateral edge is the height in a right prism. A prism with lateral edges that are not perpendicular to the bases is an oblique prism.

Surface Area – The surface area of a polyhedron is the sum of the areas of its faces (lateral faces and bases together). Lateral Surface Area – The lateral surface area of a polyhedron is the sum of the areas of its lateral faces only.