Line Pairs

Which line is the x-axis?

• Blue

• Green

What is the RESULT of angle pair 1 & 8?

• congruent

• supplementary

• complementary

• none

What is the name of the angle pair for angles 5 & 6?

• linear pair

• corresponding angles

• vertical angles

• alternate interior angles

What is the name of the angle pair for angles 1 & 5?

• alternate exterior angles

• consecutive exterior angles

• consecutive interior angles

• corresponding angles

If ∠ABD and ∠CBD are a linear pair, m∠ABD = 3x+31, m∠CBD = 2x-6, then find x, m∠ABD, and m∠BDC.

• 31

• m∠ABD

• 56

• Not an answer

• 124

• m∠BDC

• 161

• x

Which angle is a linear pair with \angle1 ?

Q2) Identify the Linear Pair.

• 1 & 4

• 2 & 7

• 3 & 4

• 6 & 7

Reason?

• Definition of Congruent Angles

• Vertical Angles Theorem

• Linear Pair Postulate

• Definition of Perpendicular Lines

Identify the Linear Pair.

• & 4

• & 7

• & 4

• & 7

Which angle is a linear pair with \angle1 ?

• \angle2 

• \angle3 

• \angle4 

• \angle5 

• \angle6