What is the surface area of number 7
1 answer:
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Find the area of the base
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3 x 3 = 9 yd²
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Find the area of 1 triangle
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1/2 x 3 x 2.2 = 3.3 yd²
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Find the area of 4 triangles
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3.3 x 4 = 13.2 yd²
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Find total area
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13.2 + 9 = 22.2 yd²
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Answer: 22.2 yd²
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