Math grade 8 can anyone me find the correct answer this question math question ? the building for the headquarters for the united states department of defense is in the shape of a regular polygon with five sides. what is the measure of one of the interior angles of the building?

Circle d circumscribes abc and abe. which statements about the triangles are true? statement i: the perpendicular bisectors of abc intersect at the same point as those of abe. statement ii: the distance from c to d is the same as the distance from d to e. statement iii: bisects cde. statement iv: the angle bisectors of abc intersect at the same point as those of abe. a. i only b. i and ii c. ii and iv d. i and iii e. iii and iv