Answer:
congruent
Step-by-step explanation:
If two lines intersect to form a linear pair of congruent angles, then the lines are perpendicular. When two adjacent angles form a linear pair, their non-shared sides form a straight line (m).
i'm not sure tho
Answer:
90 degrees
Step-by-step explanation:
there is a 90 degree angle
65,759.60
Hope this helps