Posted by Diamond on Tuesday, November 29, 2011 at 8:26pm.
A hexagon has exterior angle measures of 59, 70, 68, 58, and 53. What is the measure of the sixth interior angle?

Geometry  Ms. Sue, Tuesday, November 29, 2011 at 8:32pm
The sum of the exterior angles of any polygon = 360°
Add the other angles together and subtract from 360.