10 EXTRA POINTS ILL GIVE BRAINLIST! PLEASE HELP ASAP

Find the sum of the measure of the interior angles of a polygon of 9 sides ; of 32 sides

(01.02 lc) angle abc has point e on ray ba and point d on ray bc. points e and d are equidistant from point b. to bisect angle abc, which of the following needs to be identified for the construction? the distance between points e and d the point in the angle that is equidistant from points e and d the endpoint of rays ba and bc the point outside of the angle that is equidistant from points e and d

When y’all answer can y’all explain too !