Question

How do you mark congruent

Answer 1

I believe it's the = equal sign with a little ~ squiggly on top of that.

Answer 2

`\cong`

Explanation:

Congruent angles are marked with a
`/` or noted in an equation as
`\cong`.

`\angle 4 \cong \angle 6\\\text{Ange 4 is congruent to angle 6}`