Geometric Proofs

What is the reason?

• Definition of Complementary

• Definition of 180 

• Definition of supplementary

• Angle Addition

Name the property of equality or congruence that justifies going from the first statement to the second statement.

• Reflexive Property of Equality

• Symmetric Property of Equality

• Symmetric Property of Congruence

• Reflexive Property of Congruence

Name the property of equality or congruence that justifies going from the first statement to the second statement.

• Reflexive Property of Congruence

• Symmetric Property of Congruence

• Distributive Property

• Transitive Property of Congruence

What is the REASON for Statement #1?

• Given

• Definition of Complementary Angles

• Substitution Property

• Reflexive Property of Congruence

What is the REASON for Statement #2?

• Given

• Definition of Complementary Angles

• Substitution Property

• Reflexive Property of Congruence

What is the REASON for Statement #3?

• Given

• Definition of Complementary Angles

• Substitution Property

• Reflexive Property of Congruence

If parallel lines are cut by a transversal, alternate interior angles are congruent.

• True

• False

Angles 3 and 5 are congruent because they are ______.

If angle 1 is congruent to angle 2, select all that are true

• Both angles are 90^o

• The angles are complimentary

• The angles are supplementary

• The angles form a linear Pair

If two angles form a __________, they are supplementary