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OpenStudy (anonymous):
What is the surface area of a triangular pyramid if each face has an area of 30 mm2?
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OpenStudy (saldis):
do 30x5 cause it has five faces kk see if that works
OpenStudy (mathmate):
A triangular pyramid means the pyramid has a triangular base. That makes 3 slanting faces plus the base, or a total of four faces.
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