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OpenStudy (anonymous):
Find the sum of pentagon’s angle measures. 180 degrees 360 degrees 540 degrees 720 degrees
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OpenStudy (anonymous):
@MARC_
OpenStudy (hockeychick23):
540
OpenStudy (hockeychick23):
you can split up a pentagon into 3 triangles to make it easier if you wanted to, triangles are 180 degrees so you do 180*3= 540
OpenStudy (anonymous):
thnx
OpenStudy (hockeychick23):
no problem :)
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OpenStudy (cwrw238):
the general formula for sum of interior angles of a polygon is S = 180(n - 2) so for a pentagon n = 5 S = 180(5 - 2)
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