Answer:
5
Step-by-step explanation:
18 but look at others awnsers aswell
289
Raise 17 to the power of 2
Is this what you are asking for
∠5 = 71° & ∠8 = 109°
∠1 = ∠5 (corresponding angle)
∠5 = 71°
∠5 + ∠8 = 180° (angles in a striaght line is 180°)
71° + ∠8 = 180°
∠8 = 109°
