Відповідь:
[tex]\angle BAC = 55 \textdegree[/tex]
Пояснення:
[tex]\displaystyle \angle ABO = \angle CBO=35 \textdegree\\\\\angle ABC = 2 \cdot \angle ABO=70 \textdegree\\\\\angle BAC = \frac{1}{2}(180\textdegree - \angle ABC)=\frac{1}{2}(180\textdegree - 70 \textdegree)=55 \textdegree[/tex]
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Відповідь:
[tex]\angle BAC = 55 \textdegree[/tex]
Пояснення:
[tex]\displaystyle \angle ABO = \angle CBO=35 \textdegree\\\\\angle ABC = 2 \cdot \angle ABO=70 \textdegree\\\\\angle BAC = \frac{1}{2}(180\textdegree - \angle ABC)=\frac{1}{2}(180\textdegree - 70 \textdegree)=55 \textdegree[/tex]