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March 27, 2017

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: 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.

  • solid mensuration - ,

    ,j.j.jk.k.

  • solid mensuration - ,

    dcsad

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