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OpenStudy (anonymous):
If all of the diagonals are drawn from a vertex of an n-gon, how many triangles are formed? n - 2 n - 1 n n + 1
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OpenStudy (anonymous):
n-2
OpenStudy (anonymous):
can you exlpain why n-2
OpenStudy (anonymous):
yes plz do
OpenStudy (anonymous):
ok pl wait. let me draw.
OpenStudy (anonymous):
mmk
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OpenStudy (anonymous):
ahh i see - it makes sense if you draw it for yourself
OpenStudy (anonymous):
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