17. What is the measure of angle X? 126.06 149.95° 82.23° 96.92° 7 B 6 5 51.5 4 3 2 C 30.74 1 D 97.77 A 0 1 2 3 4 5 6 7 8 9 10 11 ▼View Image Description A triangle labeled ABC on a coordinate plane. A line segment extends from point A and has an endpoint D. Angle A is labeled 97.77° Angle B is labeled 51.5°. Angle C is labeled 30.74°. The exterior angle formed at angle A is labeled X.