Tessellations can be seen in a variety of contexts. Tesellations present in our everyday environment may be found in art, architecture, hobbies, and many other areas. Oriental carpets, quilts, origami, Islamic architecture, and M. C. Escher are some specific examples. Tessellations also play an important role in mathematics and physics. They appear in geometry as the solution to various problems such as triangles, polygons, and surfaces. Tessellations can be defined as the geometric patterns formed by interlocking identical polygonal faces without overlapping any vertices or edges. There are several types of tessellations including triangular, hexagonal, pentagonal, and others. A triangular tessellation is one where each face is composed of three straight sides and each vertex lies on exactly three sides of the object. Hexagonal tessellations have six sides and twelve angles for each component piece. Pentagonal tessellations include five sides and ten angles for each component piece. Other examples include heptagonal (seven sides), octagonal (eight sides), nonagon (nine sides), decagonal (ten sides). Triangular tessellations can be found in nature and technology. In geography, for example, they are used to describe the pattern of mountains, hills, valleys, and rivers across a surface like a continent. Triangles also form the basis of both Euclideine and Non-Euclidean geometries.