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EX 7C Total surface area formulas of common objects

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TOTAL SURFACE AREA The TSA of a solid object is the sum of the areas of the surfaces. The TSA of a solid object is the sum of the areas of the surfaces.

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EXAMPLE

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LINEAR DIMENSIONS When you see the words ‘linear dimensions’ mentioned in question. This means they are after the lengths around the shape (perimeter). When you see the words ‘linear dimensions’ mentioned in question. This means they are after the lengths around the shape (perimeter). Ensure you state what the lengths, widths, heights are. Ensure you state what the lengths, widths, heights are.

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NETS

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EXAMPLE

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EXAMPLE

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CLASSWORK/HOMEWO RK EX 7C pg 326 Q’s 1-12 EX 7C pg 326 Q’s 1-12

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11-1 Areas of Rectangles and squares. Formulas 1) Area of rectangle = base x height or length X width 2) Area of square = (side) 2 or base X height 3)

11-1 Areas of Rectangles and squares. Formulas 1) Area of rectangle = base x height or length X width 2) Area of square = (side) 2 or base X height 3)

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