Writing Proofs

Front

What is the justification (reason)? Options: Reflexive Property, Symmetric Property, Transitive Property, Substitution

Back

Reflexive Property

Front

What is the justification (reason)? Options: reflexive property, definition of segment bisect, definition of a midpoint, substitution property

Back

definition of a midpoint

Front

Best option to fill in for blank #1 in the STATEMENTS section of this geometric proof? Options: Given, m∠1 + m∠3 = 180°, ∠1 ≅ ∠4, ∠1 and ∠3 are supplementary

Back

m∠1 + m∠3 = 180°

Front

Given that angles A and B form a linear pair, what is the next step we can conclude by definition of a linear pair?

Back

m∠A + m∠B = 180

Front

If <M = <L then <L = <M

Back

Symmetric Property of Equality

Front

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

Back

Definition of Complementary Angles

Front

If ∠BAT and ∠MAN are vertical angles, then ∠BAT ≅ ∠MAN.

Back

Vertical Angles Theorem

Front

If ∠CAT is a right angle, then m∠CAT = 90°.

Back

Definition of Right Angle

Front

If AC ⊥ BD, then ∠DBC is a right angle.

Back

Definition of Perpendicular Lines

Front

If DB bisects ∠ABC, then ∠ABD = ∠CBD.

Back

Definition of Angle Bisector