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brainliest6485

Answer:

A polyhedron is a 3-dimensional figure that is formed by polygons that enclose a region in space. Each polygon in a polyhedron is called a face. The line segment where two faces intersect is called an edge and the point of intersection of two edges is a vertex

Step-by-step explanation:

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Answer:

I believe your answer would be Polyhedron,

because each polygon in a polyhedron is called a face so it's a line segment where two faces intersect.

Hope I'm right, Good Luck! =)