12. H. 39 in 15 in 78 in The diagram at left shows a rectangular billiard table with a width of 39inches (in) and a length of 78 in. A player is trying to shoot the red ball located at point H, into the corner pocket D by bouncing the ball off of a point R that is x inches from point B. The player knows that when the ball bounces off point R, ZHRB will be congruent to ZDRC. If the point BB is the midpoint of AC and the red ball is 15in above B, approximately what is the Value o4 x?

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