SOLUTION: The point A,B,C and D have position vectors(1),(2),(0) (d) (-2),(0),(c)and(2)respectively,

Question 1159911: The point A,B,C and D have position vectors(1),(2),(0) (d)
(-2),(0),(c)and(2)respectively,
(4),(-1),(1) (1)
Relative to the origin O.calculate angle AOB,giving your answer to the nearest degree
Answer by ikleyn(52780)   (Show Source): You can put this solution on YOUR website!
.

What is written in this post is

        (a)   U N R E A D A B L E,

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If you will write to the forum in this style, I will ask your managers to fire you from your position.

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