If F is the face of the given geometrical figure, E is the edge and V is the vertex, then,
Number of the edges E = (V+F)-2.
Number of the faces F = 2+E-V.
Number of the vertices V= 2+E-F.
Face is the flat surface of the closed geometrical figure.
Edge is the line where two sides meet each other.
Vertex is a corner point where two line segment of the figure meet.
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Number of Faces
Source: Beat The GMAT — Problem Solving |
Rahul Lakhani
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Quant Expert
Gurome, Inc.
https://www.GuroMe.com
On MBA sabbatical (at ISB) for 2011-12 - will stay active as time permits
1-800-566-4043 (USA)
+91-99201 32411 (India)
