Can someone help me with this question plz

The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.

There is an entrance to the computer room at point e which lies on ab and is 5 feet from point a. plot point e on the coordinate plane. find the distance from the entrance at point e to the printer at point e

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?