Proving Angle Relationships

Front

Given that ∠2 ≅ ∠6, prove that ∠4 ≅ ∠8. Which justifies step 3? Options: Angle Addition Postulate, Substitution Property of Equality, Supplement Theorem, Vertical Angles Theorem.

Back

Supplement Theorem

Front

Refer to the diagram of the parking lot. Given that ∠2 ≅ ∠6, Prove that ∠4 ≅ ∠8. Which justifies step 6? Options: Angle Addition Postulate, Substitution Property of Equality, Supplement Theorem, Vertical Angles Theorem

Back

Substitution Property of Equality

Front

Which justifies step 2? Options: Given, Symmetric Property of Equality, Substitution Property of Equality, Definition of Congruent Angles

Back

Definition of Congruent Angles

Front

Which justifies step 5? Options: Angle Addition Postulate, Symmetric Property of Equality, Substitution Property of Equality, Definition of Congruent Angles

Back

Substitution Property of Equality

Front

Find m∠3. ∠2 and ∠3 are complementary. m∠2 = 28.

Back

62°

Front

Find m∠1. ∠2 and ∠3 are complementary. ∠1≅ ∠4 and m∠2 = 28.

Back

45°

Front

Find m∠13 if m∠11 = 11x and m∠13 = 10x + 12. Then determine which theorem justifies your work.

Back

92°, Supplement Theorem

Front

Which property justifies the next step? Options: Symmetric Property, Segment Addition Postulate, Definition Midpoint, Definition Congruence

Back

Definition Midpoint

Front

Which property justifies the next step? Options: Definition Congruence, Segment Addition Post, Transitive Property, Definition Equality

Back

Definition Congruence

Front

Name the property, definition, postulate, or theorem.

Back

def of midpoint