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Published byRussell Patterson Modified over 9 years ago
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of Rectangular Prisms
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Surface Area What does it mean to you? Does it have anything to do with what is in the inside of the prism? VOLUME (not surface area) is the amount a shape can hold inside. Surface area is found by finding the area of all the sides and then adding those answers together.
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Surface Area of Rectangular Prisms What is area? The amount of square units that will COVER a shape. How will the answer be labeled? Units 2 because it is area!
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Rectangular Prism How many faces are on here? 6 Find the area of each of the faces. A B C 4 5 in 6 Do any of the faces have the same area? A = 5 x 4 = 20 x 2 =40 B = 6 x 5 = 30 x 2 = 60 C = 4 x 6 = 24 x 2 = 48 If so, which ones? 148 in 2 Opposite faces are the same. Find the SA
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Cube Are all the faces the same?YES 4m How many faces are there? 6 Find the surface area of one of the faces. A 4 x 4 = 16Take that times the number of faces. X 6 96 m 2
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Now It’s YOUR Turn! I think I can!
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