1
Q
A
Meaningless
2
Q
A
Meaningful
3
Q
A
Meaningful
4
Q
A
Meaningful
5
Q
A
Meaningless
6
Q
A
Meaningless
7
Q
A
12
8
Q
A
10
9
Q
A
21
10
Q
A
28
11
Q
A
12
Q
Dot Product angle formula
A
13
Q
A
orthogonal
14
Q
A
Neither
15
Q
A
parallel
16
Q
A
orthogonal
17
Q
A
18
Q
A
19
Q
A
20
Q
A
21
Q
A
22
Q
A
23
Q
A
24
Q
A
