A square has four right angles (90°). Each diagonal splits a corner into two angles of 45°. Note also that the diagonals cut each other in half at right angles. A rectangle has four right angles.

A rectangle has two pairs of equal sides. It has four right angles (90°). The opposite sides are parallel. The diagonals bisect each other. The exterior angles of a rectangle are each 90°.

Once you have the rotation function open you have two options: custom rotation or rotating at 90-degree ... in a rectangle without any blank space. 4. Once you have your photo at the angle you ...