Answer:
38°
Explanation:
1. Angles subtended at the circumference is half at the centre. Therefore angle at the centre is 61x2=122
2. Isosceles triangle have equal base angle. 19°
3. Tangent subtends 90° with the radius.
4. 90-19=71
5. 71x2=142°
6. Angles in a triangle add up to 180°
180-142=38°