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10.5 Surface Area of Prism

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Surface Area Sum of the areas of the base(s) and the lateral faces of the space figure.

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Surface Area Formula for Rectangular Prism Using Separate Surfaces Find the area of each face (bh) and add together Top+Bottom+ right+ left+front + back Or 2(Top) +2(left)+ 2 (front)

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Surface Area Formula for Nets SA=Lateral Area +2 (Base) SA= LA +2B

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Separate Surfaces Using Nets Top & Bottom Left & Right Front & Back Front BackRL Top B P = 18 h

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Surface Area for Triangular Prism Separate Surface SA= 2(Base:triangle) +left(rectangle) +front(rectangle) +back(rectangle) net SA= LA to 2 (B)

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Find the Surface Area Using Separate Surfaces Bases: 2(1/2) (4) (3)= 12 Left face: 3(8)=24 Front face: (8)(5) =40 Back face: (4)(8)= =108in²

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Find the Surface Area Using Nets

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Homework Page 530 (1,3,5,6,8,10,11,12,15,17)

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