1.

In triangle ABC, AD ⊥ BC and AO is the bisector of ∠BAC. If ∠ABC = 65° and ∠ACB = \(23\frac{{1^\circ }}{2},\) then ∠DAO is ____ (in degrees)

A. \(20\frac{{1^\circ }}{4}\)
B. \(20\frac{{1^\circ}}{5}\)
C. \(20\frac{{1^\circ }}{2}\)
D. \(20\frac{{3^\circ }}{4}\)
Answer» E.


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