Respuesta :

choccocakee
There are four triangular faces, so we do 4*1/2*8*8

There are four rectangular faces that have the dimension 8*13, so we do 4*8*13

There is one square face that has the dimension 8*8

So we do 8*8+4*1/2*8*8+4*8*13

Which is 608

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