1.

In STL files Euler’s rule for solids can be written as

A. No. of faces – No. of edges + No. of vertices = 3 x No. of bodies
B. No. of faces – No. of edges + No. of vertices = No. of bodies
C. No. of faces – No. of edges + No. of vertices = 2 x No. of bodies
D. No. of faces – No. of edges + No. of vertices = 4 x No. of bodies
Answer» D. No. of faces – No. of edges + No. of vertices = 4 x No. of bodies


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