Circle
A plane curve everywhere equidistant from a given fixed point, the center.
Squares
A plane figure having four equal sides.
Triangle
The plane figure formed by connecting three points not in a straight line by straight line segments; a three-sided polygon.
Line
A geometric figure formed by a point moving along a fixed direction and the reverse direction.
Rectangle
A quadrilateral plane figure having all its angles right angles and its opposite sides consequently equal.