When it is in () it means multiply x=45
Coplanar lines are R, U, and V
Answer:
74 degrees
Step-by-step explanation:
As sum of interior and exterior at a vertex add to 180, subtract 106 from 180 to get 74 degrees
Lines A and B are parallel to each other. Lines B and E are perpendicular to each other.
1 (B), because 3+-2=1, and 5+-4=1, which amounts to 1/1, or whole number 1.
