Sagot :
Face: the flat surfaces that make up a polyhedron are called its faces. These faces are regular polygons.
Answer:
The surface area of a polyhedron is equal to the sum of the area of all of its faces. Said another way, the surface area is the total area covered by the net of a polyhedron. Let's take a look at a cube. As you already know, a cube has six square faces.
Step-by-step explanation:
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