find x in the given figure. please answer the 3rd question
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In triangle AOB
angle AOB+angleOAB+ANGLE OBA=180°
108°+2angleOAB=180°
2angleOAB=72°
angleOAB=36°
angle OAT=90°. (tangent drawn to a circle is perpendicular to is radius)
angleOAB +angleBAT=90°
angleBAT=90°-36°=54° answer.
angle AOB+angleOAB+ANGLE OBA=180°
108°+2angleOAB=180°
2angleOAB=72°
angleOAB=36°
angle OAT=90°. (tangent drawn to a circle is perpendicular to is radius)
angleOAB +angleBAT=90°
angleBAT=90°-36°=54° answer.
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The value of x is 130° ...
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