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OpenStudy (anonymous):
What is the surface area of a triangular pyramid if each face has an area of 30 mm2? A. 60 mm2 B. 90 mm2 C. 160 mm2 D. 120 mm2
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OpenStudy (anonymous):
i give medals
OpenStudy (jacobbirddog):
hmm i am working on this almost got the answer :)
OpenStudy (jacobbirddog):
120 mm2
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