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Mathematics 7 Online
OpenStudy (anonymous):

use euler's formula to find the missing number of faces edges 15 vertices 9

OpenStudy (bahrom7893):

V-E+F=2.

OpenStudy (bahrom7893):

Solve for F

OpenStudy (anonymous):

8! thanks

OpenStudy (jhannybean):

where did you get this formula lol.

OpenStudy (bahrom7893):

Graph theory

OpenStudy (jhannybean):

Ahh.

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