12.2 Surface Area of Prisms & Cylinders

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Presentation transcript:

12.2 Surface Area of Prisms & Cylinders SURFACE AREA OF PRISMS AND CYLINDERS 12.2 Surface Area of Prisms & Cylinders

SURFACE AREA OF PRISMS AND CYLINDERS A polyhedron with two congruent faces (bases) that lie in parallel planes. The lateral faces are parallelograms The height is the perpendicular distance between the bases Surface Area: the sum of the areas of its faces Lateral Area: the sum of the areas of the lateral faces

Surface Area of a Right Prism SURFACE AREA OF PRISMS AND CYLINDERS Surface Area of a Right Prism The surface area, S, of a right prism is: S = 2B + Ph B = area of one base P = perimeter of one base h = height of the prism 2B represents the “base area” Ph represents the “lateral area”

SURFACE AREA OF PRISMS AND CYLINDERS A solid with congruent circular bases that lie in parallel planes. Lateral area: the area of its curved surface

Surface Area of a Right Cylinder SURFACE AREA OF PRISMS AND CYLINDERS Surface Area of a Right Cylinder The surface area of a right cylinder is: S = 2B + Ph which can be written as S = 2πr2 + 2πrh OR 2πr (r+h) <Use this one