Angle Proof Properties Practice

Definition of complementary angles Complement Theorem Definition of right angles Substition

• Definition of complementary angles

• Complement Theorem

• Definition of right angles

• Substition

If ∠A is complementary to ∠B and ∠C is complementary to <B then ∠A≅∠C.

• Congruent Complements Theorem

• Complement Theorem

• Definition of Complementary

• Definition of Congruence

If ∠ABC≅∠XYZ, then ∠XYZ≅∠ABC

• Transitive Property

• Symmetric Property

• Reflexive Property

• Addition Property

If ∠A and ∠B are complementary,
then m∠A + m∠B = 90°.

• Definition of Supplementary Angles

• Angle Addition Postulate

• Definition of Right Angle

• Definition of Complementary Angles

If ∠1 and ∠2 are supplementary,
then m∠1 + m∠2 = 180°.

• Definition of Supplementary Angles

• Angle Addition Postulate

• Vertical Angles Theorem

• Definition of Complementary Angles

If <A and <B form a linear pair, then <A and <B are supplementary.

• Congruent Supplements Theorem

• Supplement Theorem

• Definition of Supplementary Angles

• Definition of a Right Angle

Which property is used here?

• Division Property

• Multiplication Property

• Angle Addition Postulate

• Subtraction Property

• Addition Property

Which property is used here?

• Substitution Property

• Reflexive Property

• Angle Addition Postulate

• Subtraction Property

• Addition Property

Which property is used here?

• Reflexive Property

• Symmetric Property

• Angle Addition Postulate

• Substitution Property

• Addition Property

Which property is used here?

• Reflexive Property

• Multiplication Property

• Angle Addition Postulate

• Substitution Property

• Addition Property