Plz help me it worth 50% of my grade tell wethere it’s proportional of not

(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 you answer this can you explain

In the diagram below? p is circumscribed about quadrilateral abcd. what is the value of x