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OpenStudy (anonymous):
A picture frame is shaped as a heptagon. The measure of one angle is 126°. The remaining interior angles are congruent. What is the measure of each remaining interior angle in the picture frame? A.129° B.150° C.171° D.180°
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OpenStudy (anonymous):
129
OpenStudy (anonymous):
thx man :D
OpenStudy (anonymous):
N=7 sides: (N-2)*180 = 900. (900-126)/6 = 126
OpenStudy (anonymous):
woops, 129
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