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12.2 Surface Area of Prisms and Cylinders Lateral face Oblique

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Definition of a Prism A Prism is a solid having bases or ends that are parallel, congruent polygons and sides that are parallelograms. http://dictionary.reference.com/browse/prism

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Parts of a Right Prism Height is the distance between the bases

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Different Right Prisms All Prisms with a Right angle

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Definition of an Oblique Prism A prism with angles that are not right angles.

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A way to show the surface of a Prism A two Dimensional representation of a prism is called a net

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Right Prism Theorem The Surface Area of a Prism is two bases plus the lateral faces. Lateral faces = Height times Perimeter B is Base P is Perimeter H is Height

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Right Prism Theorem The Base is 4(7)= 28 Perimeter is 2(4)+2(7) = 22 Height is 5 S.A. = 2(28) + 22(5) S.A. = 166

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Another way is adding all the faces and bases The equation S.A. = 2(W·H + W·L + H·L) W = 4; L = 7; H = 5

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Define of a Cylinder A Prism with a circular base

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The net of a Cylinder Two circles and a Rectangle

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The Surface Area of a Cylinder 2 Bases + Circumference times height

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The Surface Area of a Cylinder 2 Bases + Circumference times height

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The Surface Area of a Cylinder 2 Bases + Circumference times height

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Homework Page 732 – 734 # 13 – 43 odd, 49, 53

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Homework Page 732 – 734 # 14 – 44 even, 48, 55

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Identify each of the following shapes. In geometry, what is a net? what is surface area? cube Triangular pyramid Right square pyramid Rectangular prism.

Identify each of the following shapes. In geometry, what is a net? what is surface area? cube Triangular pyramid Right square pyramid Rectangular prism.

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