Identify all the numbered angles that are congruent to the given angle. 21°72
6/7
4/5
List the numbers of any angles that are congruent to the given angle.
(Use a comma to separate answers as needed. Do not include the symbol in your answer.)

(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