Answer:
answer is ........ C
Step-by-step explanation:
Answer:
1 = 25/50
2 = 1/2
3 = 0.50
4 = 50%
Step-by-step explanation:
i got it right on edg and i hope it helps :)
Answer:

Step-by-step explanation:
It is given that,
Magnitude of a A, 
magnitude of B, 
The angle betwern a and b is 
Dot product,

So, a.b is equal to 0.