Question

lateral face

Answer 1

you have 3 lateral faces (on top) and one base face on the bottom

it's easier to see the base face if you have a square pyramid



sure there's one more lateral face, but you get the idea hopefully

Answer 2

anyways, for this tetrahedron, there are 4 faces total

Answer 3

tetra is greek for 4 i think

Answer 4

okay thank you :)

Answer 5

np