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MetaMathastično! | MataMathnifique #1

U trokutu ABC duljine stranica su |AB|=20, |AC|=21 i |BC|=29. Točke D i E su na stranici \overline{BC} takve da je |BD|=8 i |EC|=9. Odredite veličinu kuta \angle DAE u stupnjevima.
In the triangle ABC, the side lengths are |AB|=20, |AC|=21 and |BC|=29. Points D and E are on the page \overline{BC} such that |BD|=8 and |EC|=9. Determine the size of the angle \angle DAE in degrees.