In \[\Delta \mathbf{ABC},\angle \mathbf{B}=\mathbf{6}{{\mathbf{0}}^{{}^\circ }}\], and \[\angle \mathbf{C}=\mathbf{5}{{\mathbf{0}}^{{}^\circ }}\], AD and AE are respectively the bisector of \[\angle \mathbf{A}\] and perpendicular on BC. The measure of \[\angle \mathbf{EAD}\] is:

In \[\Delta \mathbf{ABC},\angle \mathbf{B}=\mathbf{6}{{\mathbf{0}}^{{}

1.	In \[\Delta \mathbf{ABC},\angle \mathbf{B}=\mathbf{6}{{\mathbf{0}}^{{}^\circ }}\], and \[\angle \mathbf{C}=\mathbf{5}{{\mathbf{0}}^{{}^\circ }}\], AD and AE are respectively the bisector of \[\angle \mathbf{A}\] and perpendicular on BC. The measure of \[\angle \mathbf{EAD}\] is:
A.	\[{{11}^{{}^\circ }}\]
B.	\[{{5}^{{}^\circ }}\]
C.	\[{{12}^{{}^\circ }}\]
D.	\[{{9}^{{}^\circ }}\]
Answer» C. \[{{12}^{{}^\circ }}\]

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In \[\Delta \mathbf{ABC},\angle \mathbf{B}=\mathbf{6}{{\mathbf{0}}^{{}^\circ }}\], and \[\angle \mathbf{C}=\mathbf{5}{{\mathbf{0}}^{{}^\circ }}\], AD and AE are respectively the bisector of \[\angle \mathbf{A}\] and perpendicular on BC. The measure of \[\angle \mathbf{EAD}\] is:

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