lilo
a globe.
A circle is a plane figure consisting of a curve in which every point is equidistant from a fixed point called the center.
A solid sphere perhaps?
what 4 turns can put a figure in its original positions
lilo
An enlargement with a scale factor of 0.
A rotation.
A circle.You don't even need the words " ... at the center of the figure".
a globe.
A sphere is a solid figure in which every point is equidistant from a fixed point called the center.
The distance from the fixed point at the center of a circle to any point on the curve is called the radius.
Sphere
It is a round plane figure whose boundary (the circumference) consists of points equidistant from a fixed point (the center).
A circle is a plane figure consisting of a curve in which every point is equidistant from a fixed point called the center.
A solid sphere perhaps?
A lever.