Question

find x in the given figure. please answer the 3rd question

Answer 1

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.

Answer 2

The value of x is 130° ...