The figure shows a triangle ABC with AC = 12 and the median AD. The measures of angles BAD and CAD are 51 and 78 degrees, respectively. Find AD. Post a comment or solution.

 

See Also:

Proposed Problem 412.
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Proposed Problem 410.
Two Regular Pentagons, Angle.
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Proposed Problem 409.
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Proposed Problem 408.
Cyclic quadrilateral, Perpendicular, Parallelogram, Congruence.