Unit 1d: Other Definitions

Source: Notes in Page

Theorem

Proven to be true by proofs

Postulates or Axioms

Accepted statement of fact, without proof

Definitions in Geometry

Gives the exact meaning of a geometric term

Vertical Angles Theorem

States that if two angles are vertical angles, their measures are equal, therefore they are congruent in size; NOT TO BE CONFUSED WITH VERTICAL ANGLES

Linear Pairs Theorem

States that linear pairs are 180 degrees; NOT TO BE CONFUSED WITH LINEAR PAIRS, WHICH TECHNICALLY DOESN’T STATE THAT