Vertical Angles (Classwork) Name
Name the two pair of vertical angles.
1.
2.
Using the diagram, tell whether the angles are vertical angles. Justify your answer.
3. ∠1 and ∠2 5. ∠1 and ∠3
4. ∠3 and ∠8 6. ∠1 and ∠5
Find the value of x in degrees in each diagram below. Show your thinking.
7.105
x
8. 3x + 3
108

9.10.
602x +10

11. The following diagram shows an equilateral triangle. Find the value of X and Z in degrees and explain your thinking.
2X+6
100