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### 14 Cards in this Set

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 Postulate 1: Ruler Postulate The points on aline can be matched one to one with the real numbers. The real number that corresponds to a point in the coordinate of the point. This distance between points A and B, written as AB, is the absolute vallue of the difference between A and B. Postulate 2: Segment Addition Postulate If B is between A and C, then AB+BC=Ac. If AB+BC=Ac, the B is between A and B. Postulate 3: Protractor Postulate Consider point A on one side of lineOB. THe rays of the form rayOA can be matched one ot one with the real numbers from 0 to 180. THe measure of angleAOB is equal to the absolute value of the difference between the real numbers for rayOA and rayOB. Postulate 4: Angle Addition Postulate If P is in the interior of angleRST, then m-angleRSP+m-anglePST=m-angleRST. Postulate 5: Through any two points, there exists exactly one line. Postulate 6: A line contains atleast 2 points. Postulate 7: If 2 lines intersect, then their intersection is exactly one point. Postulate 8: Through any 3 noncollinear points, there exists exactly one plane. Postulate 9: A plane contains atleast 3 noncollinear points. Postulate 10: If two points lie on a plane, then the line containing them lies in the plane. Postulate 11: The intersection of two planes is exactly one line. Postulate 12: Linear Pair Postulate If two angle sform a linear pair, then they are supplementary. Postulate 13: Parallel Postulate If there is a line and a point not on the line, then there is exactly one line through the point that is parallel to the given line. Postulate 14: Perpendicular Postulate If there is a line and a point not on the line, then there is exactly one line through the point that is perpendicular to the given line.