Asked by johanie

: in the pyramid shown in the figure , AB=9 in ., BC= 12in ,and BD= 5 in . the three face angle at B are each 90 degree . calculate the three face angles at A and the total surface of the solid.
Answered by jk.jk.jk.k.
,j.j.jk.k.
Answered by Anonymous
dcsad
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