it is the flat part of a polyhedron​

Sagot :

Step-by-step explanation:

Face: the flat surfaces that make up a polyhedron are called its faces. These faces are regular polygons.

Edge: the regions where the two flat surfaces meet to form a line segment are known as the edges

Answer:

faces

Step-by-step explanation:

Face: the flat surfaces that make up a polyhedron are called its faces. These faces are regular polygons. Edge: the regions where the two flat surfaces meet to form a line segment are known as the edges.