2004 AMC 10B Problems/Problem 24

Revision as of 22:13, 13 January 2010 by Cliu0301 (talk | contribs) (Created page with 'In triangle <math>ABC</math> we have <math>AB=7</math>, <math>AC=8</math>, <math>BC=9</math>. Point <math>D</math> is on the circumscribed circle of the triangle so that <math>AD…')
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

In triangle $ABC$ we have $AB=7$, $AC=8$, $BC=9$. Point $D$ is on the circumscribed circle of the triangle so that $AD$ bisects angle $BAC$. What is the value of $AD/CD$? A. 9/8 B. 5/3 C. 2 D. 17/7 E. 5/2