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Surface Area and Volume Surface Area of Prisms

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Rectangle 15 in. by 12 in. (2), 15 in. by 10 in. (2), and 12 in. by 10 in. (2)

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150 1512180 1510150 1512180 1210120

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120 + 150 + 180 + 150 + 180 + 120 900 in²

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The areas of opposite faces are equal. To find the area of each pair of opposite faces, find the area of one face and double it.

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530 50 1210120 1310130 3050120130360 360 in²

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The Triangular bases are congruent.

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Find the surface area

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5 cm 6 5525 cm² 25 150 cm²

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224 6 6424

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432 cm² 2 x 24 + 128 + 160 + 96 = 432 Lateral Face Base ½ x 6 x 8 =24 Base 8 x 16 = 128 Lateral Face 10 x 16 = 160 Lateral Face 6 x 16 = 96 ½ x 6 x 8 =24

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Base Lateral Face 3 ½ x 8 ½ = 29 ¾ Base 3 ½ x 4 = 14 Lateral Face 4 x 8 ½ = 34 Lateral Face 3 ½ x 8 ½ = 29 ¾ Lateral Face 4 x 8 ½ = 34 Lateral Face 3 ½ x 4 = 14 Lateral Face 29¾ + 29¾ + 34 + 34 + 14 + 14 = 155½ Lateral Face 155½ in²

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3 x 5 = 15 8 x 5 = 40 8 x 3= 24 40 + 40 + 24 + 24 + 15 + 15 = 158 158 m²

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What is the name of this figure?______________ What is the shape of the base?_________ What is the shape of the lateral sides?________ Draw a net of the 3D figure and label the dimensions Find the area of the shapes.

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