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OpenStudy (anonymous):
The sum of the interior angles of a 7-gon is 900 1,080 1,260 1,440
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OpenStudy (mertsj):
If you choose one vertex and draw all the possible diagonals, how many triangles will you have?
OpenStudy (wolf1728):
Sum of angles = 180 * (number of sides -2) A 7 gon (heptagon) has an angle total of 180*5 = 900
OpenStudy (anonymous):
thnx:))
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