Asked in Math and Arithmetic, Genetics, Geometry
Why was symmetry invented?
Symmetry was not invented by man in the same way electricity, air, the concept of two, the ocean, a spiral, a circle, or movement were not invented by man. It is an observation of a natural (and man-made) pattern often seen. Since it's an observation (a description, if you will) it was not invented. As to a reasoning behind the observation, there most likely was none; it was simply observed and noted at some point in history. ...
Asked in Math and Arithmetic
How many lines of symmetry does a cube have?
There are three kinds of symmetries for a cube: planes of symmetry, lines of symmetry and a center of symmetry. A cube has: 9 planes of symmetry 13 lines of symmetry 1 center of symmetry (at the center of the cube) ...
Asked in Math and Arithmetic, Algebra, Geometry
Does a triangle have a line symmetry rotational symmetry or both?
An equilateral triangle has both line symmetry and rotational symmetry. A non-equilateral isosceles triangle has line symmetry but not rotational symmetry. A scalene triangle has neither kind of symmetry. ...