Alternate angles can be supplementary.

Co-interior angles cannot be equal.

Complement of $32°$ is _____$°$

Two supplementary angles are in the ratio $1 : 2$. The smaller of the angles is _____.

Two parallel line segments are intersected by a transversal. One of the co-interior angles is $70°$. Then the other co-interior angle will be _____.

Two corresponding angles are $(x+5)°$ and $(2x-70)°$. Then $x°=$_____$°$.

Two co-interior angles are $(x+10)°$ and $(2x-130)°$. Then $x°=$_____$°$.