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OpenStudy (anonymous):
Find the sum of the interior angles of a polygon with three sides.
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OpenStudy (anonymous):
A 180° B 360° C 540°
jigglypuff314 (jigglypuff314):
180(n-2) = sum of interior angles when n = number of sides so plug in 3 for n
OpenStudy (unknownrandom):
(3-2)180=180 So A
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