Answer:
Here you go!
Step-by-step explanation:
a line of symmetry is a line of which both sides are the same
I believe the answer are as follows: 1. A 2. B 3. A 4. D 5. B and 6. B
When two lines intersect, (in this case it's a ray and a line), they form a linear pair. Here, we know that because those two angles form a linear pair. Solving for x we have :
6 1/2 x 1 8/13
13/2 x 21/13 = 273/26 = 10 1/2
The answer is C, 10 1/2.