Posted by **Anonymous** on Wednesday, July 13, 2011 at 2:35pm.

one interior angle of a pentagon has a measure of 120 degree. the other four interior angles are congruent to each other. What is the measure of one of the four congruent angles?

- geometry -
**Ms. Sue**, Wednesday, July 13, 2011 at 2:40pm
(540 - 120)/4 = ?

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