Question

What must be true in order for line A to be parallel of line b?

Answer 1

c or (5x-54)°=(3x+16)°

Explanation:

Since they are alternate angles, they must be equal. Alternate angles are always equivalent, and since you can't choose more than one answer, then they can't equal 180° or 90°.

Answer 2

Its the first option.

Explanation:

if they are both 180° then they can both go on forever without touching each other.