Perpendicular Proof

• Linear Pair Perpendicular Theorem

• Perprendicular Transversal Theorem

• Lines Perpendicular to a Transversal Theorem

• You cannot prove.

• You can with Corresponding Angles Converse

• You can with Alternate Interior Angles Converse

• You can with Alternate Exterior Angles Converse

• You can with Consecutive Interior Angles Converse

• none

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

• Definition of Perpendicular Lines

• Definition of Right Angle

• Angle Addition Postulate

• Segment Addition Postulate

In the given proof, what is the statement for step 2?

Which Reason best fills in the blank?

• Definition of parallel lines

• Definition of a right angle

• Definition of perpendicular lines

• All right angles are congruent

What is the reason?

• Definition of perpendicular

• Definition of angle

Slopes of perpendicular lines are...

• opposite reciprocals.

• opposites.

• identical.

• always 7.

• Linear Pair Perpendicular Theorem

• Perprendicular Transversal Theorem

• Lines Perpendicular to a Transversal Theorem

• Linear Pair Perpendicular Theorem

• Perprendicular Transversal Theorem

• Lines Perpendicular to a Transversal Theorem