Difference between revisions of "2002 AMC 12A Problems/Problem 23"

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==Problem==
 
==Problem==
  
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In triangle <math>ABC</math> , side <math>AC</math> and the perpendicular bisector of <math>BC</math> meet in point D, and  bisects <math><ABC. If </math>AD=9<math> and </math>DC=7<math>, what is the area of triangle ABD?
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</math>A) 14<math>  </math>B) 21<math>  </math>C)28<math>  </math>D)14\sqrt5<math>  </math>E)28\sqrt5$
  
 
==Solution==
 
==Solution==

Revision as of 17:52, 17 January 2010

Problem

In triangle $ABC$ , side $AC$ and the perpendicular bisector of $BC$ meet in point D, and bisects $<ABC. If$AD=9$and$DC=7$, what is the area of triangle ABD?$A) 14$$ (Error compiling LaTeX. Unknown error_msg)B) 21$$ (Error compiling LaTeX. Unknown error_msg)C)28$$ (Error compiling LaTeX. Unknown error_msg)D)14\sqrt5$$ (Error compiling LaTeX. Unknown error_msg)E)28\sqrt5$

Solution

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See Also

2002 AMC 12A (ProblemsAnswer KeyResources)
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