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13 Cards in this Set

  • Front
  • Back
Theorem 2.1
Congruent Complements measure 45 Degrees
Theorem 2.2
Complements of Congruent angles are congruent
Theorem 2.3
Supplements of the same angles are congruent
Theorem 2.4
Two lines parallel to the same line are parallel to each other
Theorem 2.5
Congruent Supplements measure 90 degrees
Theorem 2.6
Complements of the same angles are congruent
Theorem 2.7
Supplements of congruent angles are congruent
Theorem 2.8
Vertical angles are congruent
Theorem 3.1
Two lines intersected by a transversal are parallel if and only if alternate interior angles are congruent
Theorem 3.2
Two lines intersected by a transversal are parallel if and only if corresponding angles are congruent
Theorem 3.3
Two lines intersected by a transversal are parallel if and only if alternate exterior angles are congruent
Theorem 3.4
Two lines intersected by a transversal are parallel if and only if interior angles are on the same side of the transversal are supplements
Theorem 3.5
If two lines are perpendicular to the same line, then they are parallel to each other