Final answer:
The question relates to calculating the volume of a tetrahedron in mathematics, using the base area and height. The student confuses terms related to other geometric shapes, but the primary focus is on determining the parameters to find the volume of the tetrahedron given the base and height dimensions.
Step-by-step explanation:
The student's question appears to be about finding the volume of a tetrahedron, which is a type of pyramid with a triangular base. Given the base (b), the base height, and the pyramid height, one can use the formula for the volume of a pyramid, which is V = (1/3) × base area × height. However, it seems there might be a confusion with terms such as octahedron and icosahedron. To clarify, an octahedron has eight faces, not to be mixed up with a tetrahedron which has four faces. Similarly, an icosahedron has 20 faces. If we're focusing on a tetrahedron, to solve for its volume, we first calculate the area of the triangular base (A = 1/2 × b × base height), and then multiply it by the height of the tetrahedron (h) and divide by three to find the volume.
It seems also that a specific volume is given (70308 cm³), which might imply that the question is asking for verification of the dimensions with the given volume, or to find the missing length of the base (b), assuming the other measurements are correct.