No. A point has no dimensions whereas plane figures have 2.
No. A square is a plane figure and conventionally for plane figures symmetry is considered in terms of rotation about a point or an axis (in the plane of the figure) but not a plane outside the plane of the square.
an open plan figure is a figure whose end point are not connected
A plane vertex is a point where two lines meet or intersect. A point has no size so the adjectine "large" is irrelevant".
a globe.
A circle.
A point.
Math
Rigidity.
A circle.You don't even need the words " ... at the center of the figure".
plane figure
a polygon a polygon * * * * * No it is not! If the line is in that plane then it is the whole line. If not, it is a single point.
A translation moves every point on a shape in the same distance and in the same direction on the Cartesian plane