Answer:
∠6=102°
∠7=78°
Step-by-step explanation:
Assume the line on the top is AB and the bottom is CD.
Given that ∠1=102°.
∠6=102° (alt. ∠s, AB║CD)
∠7=180°-∠6 (int. ∠s, AB║CD)
=180-102
=78°
