I think 5
An ellipse has rotational symmetry of order 2.
yes, in fact it can have 6 rotational symmetries.
A kite has 4 sides and 4 angles.
A kite has 1 line of symetery
A kite has only one line of rotational symmetry, as it is only the same if it is tilted once. (back to its normal position).
Infinitely many.
It has 20
2
9 reflection
18
A
21
5
It has 8 rotational symmetry.
I think 5
Two.