The five an easy postulates of Geometry, additionally referred to asEuclid"s postulates room the following:

1.) A directly line segment can be attracted joining any kind of twopoints.

2.) any type of straight heat segment deserve to be prolonged indefinitely in astraight line.

3.) Given any kind of straight line segment, a circle have the right to be drawnhaving the segment as a radius and one endpoint as the center.

4.) All best angles room congruent.

5.) If two lines are attracted which crossing a third in together a waythat the amount of the inner angles on one side is less than 2 rightangles (or 180 degrees), then the 2 lines for sure mustintersect each other on the side if prolonged far enough. (Thispostulate is tantamount to what is known as the parallelpostulate.)


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