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11-01-2016
Mathematics

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What is the surface area of a triangular pyramid if each face has an area of 80 m2? A. 240 m2 B. 160 m2 C. 320 m2 D. 20 m2

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Аноним Аноним

11-01-2016

If each face is 80m² and there are 4 identical faces, the answer would be 4 x 80 = 320m² - C

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