Three sides of a known triangular pyramid p-abc PA.PB.PC If the area of the three sides is s1.s2.s3 ', then the volume of the triangular pyramid?

Let PA = a, Pb = B, PC = C
V=abc/3
S1=2ab,S2=2bc,S3=2ca
By multiplication, s1s2s3 = 8 (ABC) & 178;
The prescription can be substituted

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