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OpenStudy (anthonyteeslink):
Which formula can be used to find the sum of the measures of all the interior angles of a regular polygon with n sides? A. S = (n - 2)90 B. S = (n + 2)180 C. S = (n - 2)180 D. S = (n + 2)90
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OpenStudy (welshfella):
a 4 sided polygon has an interior total of 360 degrees so plug in n = 4 and S = 360 into each of the choices and see which one fits.
OpenStudy (anthonyteeslink):
thanks
OpenStudy (welshfella):
yw
OpenStudy (welshfella):
- it would work for a triangle too (180 degrees)
OpenStudy (anthonyteeslink):
so c?
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OpenStudy (welshfella):
correct
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