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January 30, 2015

January 30, 2015

Posted by **dana** on Monday, January 23, 2012 at 6:25am.

90°

80°

75°

85°

- Geometry -
**Reiny**, Monday, January 23, 2012 at 8:09amthe sum of the interior angles of a heptagon is

180(7-2) = 900°

One angle is missing

x + 120+ 150+ 135 +170 +90 +125 = 900

x = 110

The smallest interior angle will cause the largest exterior angle

so largest exterior is 180 - 90 = 90°

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