Geometry Honors: Postulates And Theorms.

Front 1

Theorem 2-1

Back 1

If a - b > 0, then a > b

Front 2

Theorem 2-2

Back 2

If a = b + c and c > 0, then a > b

Front 3

Theorem 2-3

Back 3

Let A, B, C be points on a line, with coordinates x, y, and z respectively. If x < y < z, then A-B-C

Front 4

Theorem 2-4

Back 4

If A,B,C are three different points of the same line, then exactly one of them is between the other two

Front 5

Theorem 2-5

Back 5

The point Plotting Theorem: Let AB be a ray, and let x be a positive number. Then there is exactly one point P of ray AB such that AP AP = x

Front 6

Theorem 2-6

Back 6

The mid-Point Theorem: Every segment has exactly one midpoint

Front 7

Theorem 3-1

Back 7

If two different lines intersect, their intersection contains only one point

Front 8

Theorem 3-2

Back 8

If a line intersects a plane not containing it, then the intersection contains only one point

Front 9

Theorem 3-3

Back 9

Given a line and a point not on the line, there is exactly one plane containing them both

Front 10

Theorem 3-4

Back 10

Given two intersecting lines, there is exactly one plane containing both