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OpenStudy (anonymous):
A picture frame is shaped as a heptagon. The measure of one angle is 144°. The remaining interior angles are congruent. What is the measure of each remaining interior angle in the picture frame? 126° 180° 174° 150°
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OpenStudy (btaylor):
The sum of the interior angles of a heptagon is 900º. So 900-144 = 756, so the other 6 angles must add up to 756. so 6x = 756 --> x = 126º
OpenStudy (anonymous):
thank you so much BTaylor
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