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.