2004 AMC 10B Problems/Problem 24

In triangle we have , , . Point is on the circumscribed circle of the triangle so that bisects angle . What is the value of ? $A. \dfrac{9/8}$ (Error compiling LaTeX. Unknown error_msg) $B. \dfrac{5/3}$ (Error compiling LaTeX. Unknown error_msg) $D. \dfrac{17/7}$ (Error compiling LaTeX. Unknown error_msg) $E. \dfrac{5/2}$ (Error compiling LaTeX. Unknown error_msg)