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

Complete the steps in the two-column proof.

Revolt · Accepted Answer

B: ✔ linear pair postulate

Question 7

✔ 2x = 562x = 582x = 2042x = 304

Revolt · Accepted Answer

A: ✔ 2x = 56

Question 8

Complete the steps of the proof.

Revolt · Accepted Answer

C: ✔ vertical angles theorem

Question 9

3x + 4 = 15 ✔ 3x + 4 = 49measure of angle QVR = 49 degreesmeasure of angle UVT = (3x + 4) degrees

Revolt · Accepted Answer

B: ✔ 3x + 4 = 49

Question 10

If the m∠SRW = 85°, what are the measures of ∠VRU and ∠URW?

Revolt · Accepted Answer

m∠VRU = °: 80; m∠URW = °: 15

Linear Pairs and Vertical Angles Answers