12.2 SA of Prisms & Cylinders

12.2 SA of Prisms & Cylinders - 12.2 Surface Area...

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12.2 Surface Area of Prisms & Cylinders p. 728
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Definitions Definitions Prism – polyhedron with 2 2245 faces (called bases ) that lie in  planes. Named by the shape of the bases. Lateral Faces – the faces that are NOT bases (all are  ’ogram shaped) Lateral Edges – edges of the lateral faces that are NOT edges of the bases as well. Height (altitude) - distance between the bases. Right Prism – lateral edges are to bases. Oblique Prism – lateral edges are NOT to the bases. (looks slanted)
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Right Oblique Triangular Prisms Triangular Prisms Lateral edges (3)
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3-D Areas Lateral Area (LA) – the sum of the areas of the lateral faces only. Does not include the area of the bases. Surface Area (S) – the sum of the areas of ALL the faces. Lateral area + area of the bases
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Net Defn . – a 2-dimensional representation of a solid. Just think “unfold” the figure and lie it flat.
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12.2 SA of Prisms & Cylinders - 12.2 Surface Area...

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