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Surface Area Vocabulary

Terms used in the formulas for the surface area of prisms, cylinders, pyramids, and cones.

AB
A polyhedron with two congruent, parallel bases.Prism
The congruent, parallel "ends" of a prism.Bases
The sides of the prism that are not the bases.Lateral Faces
The segment where two lateral faces meet.Lateral Edge
The sum of the areas of the lateral faces.Latera Area
A 3D figure with two congruent, parallel circles for bases.Cylinder
Formula for S.A. of a prism.S.A. = L.A. + 2B
Formula for S.A. of a cylinder.S.A. = 2(pi)(r)^2 + 2(pi)rh
A polyhedron in which the one base can be any polygon and the other faces are triangles.Pyramid
The common end point of the lateral faces of the pyramid.Vertex
The perpendicular segment from the vertex to the base of a pyramid.Altitude
Formula for S.A. of a pyramid.S.A. = L.A. + B
The length of the altitude of a lateral face of a pyramid.Slant Height
A 3D shape with one circular base.Cone
Formula for S.A. of a cone.S.A. = 2(pi)r^2 + (pi)rl


Math Teacher
Onondaga Central Jr./Sr. High School
Nedrow, NY

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