Question

Does any one knows the description of a triangular pyramid to the two dimensional base polygon?

Answer 1

its just a pyramid,
whose base can be any of

triangle
rectangle
pentagon
hexagon
...


any polygon

Answer 2

all sides rise up and meet at one point

Answer 3

this is a pyramid with triangle as base,

you can have any other polygon as base

Answer 4

you get the idea.. .

Answer 5

so what about the number of a vertices is on more than the number of sides of the base polygon, would that be one?

Answer 6

thats right. that one extra vertex is the top one in the sky !!

Answer 7

oh ok, i think i get it now :)

Answer 8

glad to hear :)