Answer:
I need to see the whole question but I believe you just add the numbers
X=40 degree is the correct answer
The axis of symmetry would be -3 because it is always the (x) of the vertex
Okay,
Radius, is half of the diameter.
Diameter, is the line that splits the circle in half.
1). R=50 D=100
2). R=10 D=20
3). R=5 D=10
4). R=29 D=58
5). R=11 D=22
6). R=31.5 D=63
7). R=45 D=90
8). R=7 D=14
9). R=49 D=98
