Page 35 - PlayFacto_S5
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꼭짓점이라고 합니다.

Face, edge, and vertex

A face is a flat surface of a solid figure. An edge is the line segment
formed where two faces meet. A vertex is a point where three or more
edges meet. Two or more are called vertices.

Vertex
Face
Edge

Count the faces, edges and vertices.

Material: Solid figure A

Cube Face :
Edge :
Vertex:

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