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OpenStudy (anonymous):
What is the sum of the interior angles of a hendecagon?
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OpenStudy (anonymous):
What is the formula for determining the sum of the interior angles? How many sides does a hendecagon have?
OpenStudy (anonymous):
it has 7 sides and im looking for the formula now
OpenStudy (anonymous):
(n-2)180
OpenStudy (anonymous):
solve for n.
OpenStudy (cwrw238):
hedecagon ? dont knw how many sides in that heptagon is 7 sided
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OpenStudy (cwrw238):
11?
OpenStudy (cwrw238):
if so sum = (11-2)180
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