Both
The letter D does not have a vertical line of symmetry.
Horizontal only
Yes T has a vertical line of symmetry
one. It is a vertical line of symmetry which splits the A in half.
Yes the letter A has a vertical line of symmetry
The letter A has one vertical line of symmetry
It has one line of vertical symmetry
Both
It has 1 vertical line of symmetry
Yes the letter A has a vertical line of symmetry.
It has one vertical line of symmetry through its middle
The letter D does not have a vertical line of symmetry.
Horizontal only
The letter T has one vertical line of symmetry.
Yes T has a vertical line of symmetry
It has 1 line of symmetry through its vertical center