Linear Pairs and Vertical Angles

Question 1

Which angles are linear pairs? Check all that apply.

Revolt · Accepted Answer

A: ∠SRT and ∠TRV; C: ∠VRW and ∠WRS; D: ∠VRU and ∠URS

Question 2

Which is a pair of vertical angles?

Revolt · Accepted Answer

B: ∠TRS and ∠VRW

Question 3

What is the value of x?

Revolt · Accepted Answer

B: 45

Question 4

What is m∠SRW?

Revolt · Accepted Answer

C: 126

Question 5

What is the measure of ∠DAE?

Revolt · Accepted Answer

A: 45°

Question 6

Imagine two lines intersect. How can the properties of linear pairs and vertical angles help to determine the angle measures created by the intersecting lines? Explain.

Revolt · Accepted Answer

If you know the measure of one angle in a linear pair, you can find the measure of the other because the sum of the measure of the two angles is 180 degrees. If you know the measure of one angle in a pair of vertical angles, you can find the measure of the other because they are congruent.

Question 7

♣:

Revolt · Accepted Answer

C: vertical angles theorem

Question 8

m∠VRU = °

Revolt · Accepted Answer

A: 80

Question 9

What did you include in your response? Check all that apply.

Revolt · Accepted Answer

A: The sum of the measures of the angles in a linear pair is 180 degrees.; B: Vertical angles are congruent.

Question 10

♦:

Revolt · Accepted Answer

B: 3x + 4 = 49

Linear Pairs and Vertical Angles Answers

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