how do i work out what the smallest volume of a cube is for techrohedron with sides 5cm

Question

anonymous · Answer

!!? tetrahedron with all sides equal. are u sure the question is asking about that?

anonymous · Answer

Volume of Tetrahedron (triangular pyramid) = 1/3 (b x h) b = area of base, h=height of pyramid, 
b=s2 x sqrt(3)/4,

all sides equal!!? thats not a tetrahedron, thats a triangle

anonymous · Answer

I am gussing the question gives the total length of the total sides, and asking the smallest volum by this amount of total length

anonymous · Answer

its a triangle based pramid with 4 faces i was told its a tetrahedron. the diagonal of the cube will be 5cm i need to calculte the volume of the cube from here

anonymous · Answer

formula is above, m guessin height = 5cm then