Geometry Instrument
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Foundation of Geometry
Foundation of geometry is the study of geometric system that can be constructed in a special fields of mathematics. The word "foundation" can be judged from two different facts. First is the mathematical representation of the geometric nature of physical space that, we want represent mathematically entire of the universe. Second is the system standing by itself, which we can not study and property of a geometric figure in our space until we have established the space, have defined both the property and the figure, and have shown that the figure actually exist in the space. Before we began formal mathematics it is necessary to understand the nature of foundation properties. Some of the main foundation properties are given below. (I) Existence Property An existence property always states that there exists some figure with a given property. The property also states that how many of these figures are there in the system. When theexact number is one then the property is called a...
Convexity
In this chapter, we will define a reasonable number and verity of plane figures relating with physical object. Suppose, one of the most common physical plane figures in the plane surfaces of objects as top of oval tea table are the examples f plane physical objects. Such physical objects could be represented by the class of figures that could be cut, each in one piece, from flat sheets of paper. Some plane figures are given below. These above plane figures have any kind of properties which associate with the physical paper figure. Observing the above plane figure. we get "all in one piece" like its corresponding paper figure, and there exist a class of set (May be set of points or set of lines) if they are not hollow. Now we denote this class of sets by S: Although the figures are "all in one piece", all are not the plane convex figure. So, defining the plane convex figure, the sets must be planar nonlinear, bounded and convex. Any physical objects has an actual ...
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