In which diagram are angles 1 and 2 vertical angles?
2. Open Ended
30 seconds
1 pt
Which are vertical angles?
3. Open Ended
30 seconds
1 pt
What is the value of m?
4. Open Ended
30 seconds
1 pt
Marcus states that angle ORP and angle LRP are a linear pair. Which best describes his statement?
5. Open Ended
30 seconds
1 pt
Given: mEDF = 120°; mADB = (3x)°; mBDC = (2x)°
Prove: x = 24
What is the missing reason in step 3?
6. Open Ended
30 seconds
1 pt
Which angle is a vertical angle with EFD?
7. Open Ended
30 seconds
1 pt
In the diagram, which angles are vertical angles? Check all that apply.
8. Open Ended
30 seconds
1 pt
Given: mADE = 60° and mCDF = (3x + 15)°
Prove: x = 15
What is the missing statement and the missing reason in step 5?
9. Open Ended
30 seconds
1 pt
Given: mORP = 80°
mORN = (3x + 10)°
Prove: x = 30
Which statement could be used in step 2 when proving x = 30?
10. Open Ended
30 seconds
1 pt
In the diagram, which angle is part of a linear pair and part of a vertical pair?
11. Open Ended
30 seconds
1 pt
Which pair of angles are vertical angles?
12. Open Ended
30 seconds
1 pt
mSRW = __°
13. Open Ended
30 seconds
1 pt
What is the value of x?
14. Open Ended
30 seconds
1 pt
Which angles are linear pairs? Check all that apply.
15. Open Ended
30 seconds
1 pt
Which is a pair of vertical angles?
16. Open Ended
30 seconds
1 pt
What is the value of x? (assignment)
17. Open Ended
30 seconds
1 pt
Given: m∠ELG = 124°
Prove: x = 28
Complete the steps in the two-column proof.
18. Open Ended
30 seconds
1 pt
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.
19. Open Ended
30 seconds
1 pt
What is m∠SRW?
20. Open Ended
30 seconds
1 pt
Given: m∠QVR = 49°
Prove: x = 15
Complete the steps of the proof.
21. Open Ended
30 seconds
1 pt
What is the measure of ∠DAE?
22. Open Ended
30 seconds
1 pt
If the m∠SRW = 85°, what are the measures of ∠VRU and ∠URW?
m∠VRU = __°
m∠URW = __°