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OpenStudy (anonymous):
What is the surface area of a triangular pyramid if each face has an area of 80 m2? i think it's 320 but am not sure A. 20 m2 B. 240 m2 C. 160 m2 D. 320 m2
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OpenStudy (anonymous):
triangular pyramids have 4 faces. 80*4=320. I would agree
OpenStudy (anonymous):
thank you!
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