Which statement is true about the letter d?
it has line symmetry only.
it has rotational symmetry only.
it has both line and rotational symmetry.
it has neither line nor rotational symmetry.

It has line symmetry only.

Step-by-step explanation:

Line symmetry or reflection symmetry means that the If you can reflect (or flip) a figure over a line and the figure appears unchanged.

We know that a letter D has a line symmetry as it has horizontal line symmetry.

But it does not have a rotational symmetry.

Well, for a shape to have rotational symmetry, that means we could put its center at the  center of a bicycle wheel, rotate the wheel some amount LESS than 360, and the shape  would appear to be in the same exact position is was in before.

Hence, the correct statement is:

It has line symmetry only.

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