A triangle and a cube combined aren't a pyramid... 4 triangles are a pyramid... Or 4 triangles and a square... And what's a square? 2 triangles... So 6 triangles... The divine trinity... The father, the son, and the holy spirit, each being equal to the other, like the sides of an equilateral triangle... Difference being their relationship to each other... The father > the son > the holy spirit... That's catechism 101