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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