Use triangles to find the sum of the interior angle measures of the polygon. The sum of the interior measures of the polygon is _ degrees .

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N- 3 is the answer

1. statement- ca is parallel to db and e is the midpoint of ad reason- given2. statement- reason- alternate interior angles3. statement- de is congruent to ae reason- definition of midpoint4. statement- triangle aec is congruent to triangle deb reason- asa (angle side angle)