2004 AMC 10B Problems/Problem 24: Difference between revisions
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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</math> bisects angle <math>BAC</math>. What is the value of <math>AD/CD</math>? | 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</math> bisects angle <math>BAC</math>. What is the value of <math>AD/CD</math>? \\ | ||
<math>A. \dfrac{9 | <math>A. \dfrac{9}{8} </math> | ||
<math>B. \dfrac{5 | <math>B. \dfrac{5}{3} </math> | ||
<math>C. 2 </math> | <math>C. 2 </math> | ||
<math>D. \dfrac{17 | <math>D. \dfrac{17}{7} </math> | ||
<math>E. \dfrac{5 | <math>E. \dfrac{5}{2}</math> | ||
Revision as of 23:41, 15 January 2010
In triangle
we have
,
,
. Point
is on the circumscribed circle of the triangle so that
bisects angle
. What is the value of
? \\