In Euclidean plane geometry, a rectangle is a quadrilateral with four right angles. It can also be defined as: an equiangular quadrilateral, since equiangular means that all of its angles are equal; or a parallelogram containing a right angle. A rectangle with four sides of equal length is a square.

How many rotational symmetry has a rectangle?

Since we were able to return the original shape 2 times, the rectangle has rotational symmetry of order 2. In fact, all rectangles have an order of rotational symmetry of 2.

What are the rotational symmetries of a rectangle?

A rectangle has a rotational symmetry when it is rotated by 180° and 360° on its axis. When a rectangle is rotated, it fits exactly on its boundary two times, once at 180° and once at 360°. In a rectangle the length is greater than its breadth, so we can say that there is no rotational symmetry at 90° and 270°.