[SOLVED] Find The Value of X Given (x,2)... 1. The problem statement, all variables and given/known data In the figure above, Lines AB and BC are radii of the circle with center B. What is the value of X? (see attached) I am lost. I don't know how to begin to solve this problem. <ABC is a right triangle. Does that factor into the equation? It would appear that the answer has to be a negative number.