2-8 (Angle Proofs) Practice

Complete the conclusion by filling in missing information.

Use one of the theorems, postulates, or definitions to fill in the REASON.

a

d

Right Angles Theorem

Angle Addition Postulate

Definition of Congruent

Definition of Angle Bisector

Definition of Linear Pair

+

Definition of Supplementary

Complete the conclusion by filling in missing information.

Use one of the theorems, postulates, or definitions to fill in the REASON.

a

b

Right Angles Theorem

Angle Addition Postulate

Vertical Angles Theorem

Linear Pair Postulate

Definition of Complementary Angles

Complete the conclusion by filling in missing information.

Use one of the theorems, postulates, or definitions to fill in the REASON.

a

b

j

Complementary Pair

Definition of Congruent

Linear Pair

Angle Addition Postulate

Right Angle

Right Angles Theorem

Definition of Linear Pair

Definition of Angle Bisector

Complete the conclusion by filling in missing information.

Use one of the theorems, postulates, or definitions to fill in the REASON.

a

b

Definition of Angle Bisector

Complementary

Definition of Congruent

Supplementary

Vertical Angles Theorem

Right Angle Theorem

Linear Pair Postulate

Complete the conclusion by filling in missing information.

Use one of the theorems, postulates, or definitions to fill in the REASON.

a

b

Vertical Angles Theorem

Right Angle Theorem

Angle Addition Postulate

Definition of Angle Bisector

Definition of Complementary Angles

Complete the conclusion by filling in missing information.

Use one of the theorems, postulates, or definitions to fill in the REASON.

a

b

Angle Addition Postulate

Definition of Angle Bisector

Transitive Property

Angle Bisector

Definition of Congruent

Definition of Complementary

Complete the conclusion by filling in missing information.

Use one of the theorems, postulates, or definitions to fill in the REASON.

a

b

Transitive Property

Vertical Angle Theorem

Angle Addition Postulate

Substitution Postulate

Symmetric Properety

Supplementary

Complementary

Definition of Complementary

Complete the conclusion by filling in missing information.

Use one of the theorems, postulates, or definitions to fill in the REASON.

a

b

Substitution Postulate

Transitive Property

Definition of Angle Bisector

Angle Addition Postulate

Complementary

Definition of Supplementary

Supplementary

Complete the conclusion by filling in missing information.

Use one of the theorems, postulates, or definitions for the REASON.

a

b

c

Definition of Congruent

Definition of Angle Bisector

Vertical Angles Theorem

Definition of Linear Pair

Substitution Postulate

Angle Addition Postulate