解决这个问题---QUESTION Chart/Diagram Description: The figure shows a triangle ABC. A line segment CD is drawn from vertex C to side AB, such that CD is perpendicular to AB. Point D lies on the segment AB. Angle CAB (or angle A) is labeled as 60 degrees. Angle CBA (or angle B) is labeled as 30 degrees. Angle CDA is marked as a right angle (90 degrees). Angle CDB is marked as a right angle (90 degrees). The length of segment AD is labeled as 'x'. The length of side CB is labeled as 2√3. Question Stem: What is the value of x in the figure shown?

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