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A triangular pyramid has a base shaped like an equilateral triangle. The legs of the equilateral triangle are all 12 inches long, and the height of the equilateral triangle is 10.4 inches. The pyramid's slant height is 8 inches. What is its surface area?

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  1. base: 1/4 * 12^2 * √3 = 36√3
    each face: 1/2 * 12 * 8 = 48
    Now finish it off

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  2. hguhijijijijuhuhu

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  3. A triangular pyramid has a base shaped like an equilateral triangle. The legs of the equilateral triangle are all 6 millimeters long, and the height of the equilateral triangle is 5.2 millimeters. The pyramid's slant height is 6 millimeters. What is its surface area?

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  4. please give the answer

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  5. the correct one

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