Yes
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A reflex angle.
Tessellations of regular polygons can occur only when the external angle of a polygon is equal to a factor of 360. As such, the only tessellations of regular polygons can occur when the internal angles of a polygon are equal to a factor of 360. As such, the only regular polygons which tessellate are triangles, squares, and hexagons.
complete angle
A Full rotation
A circle has 360 degrees and a square has four 90 degree angles as does a rectangle.It's called complementary. A 90 degree angle is called supplementary.