U trokutu
![ABC](/media/m/a/c/7/ac75dca5ddb22ad70f492e2e0a153f95.png)
duljine stranica su
![|AB|=20](/media/m/8/2/c/82cc5d124ed839792d67798ec8812739.png)
,
![|AC|=21](/media/m/5/1/0/5102abfc871bf9302c550f132721cdb9.png)
i
![|BC|=29](/media/m/f/a/0/fa0eea9f1f797ade8b7515f941e8b5a4.png)
. Točke
![D](/media/m/7/0/0/7006c4b57335ab717f8f20960577a9ef.png)
i
![E](/media/m/8/b/0/8b01e755d2253cb9a52f9e451d89ec11.png)
su na stranici
![\overline{BC}](/media/m/8/8/1/8818caad7d36e134c54122cbf46f1cd9.png)
takve da je
![|BD|=8](/media/m/d/a/1/da171015871409d023984d9f6605be7e.png)
i
![|EC|=9](/media/m/7/2/1/72122c461e61e3f5d06ae58b84bbf53a.png)
. Odredite veličinu kuta
![\angle DAE](/media/m/3/d/9/3d95e7e24cb6af10bfef7e600bae81f2.png)
.
%V0
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 $\angle DAE$.