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Let's consider two vectors, A = (-7, 10), B = (-5, -8), and C = (-1, 6) as shown below.
A
C
B
What is the magnitude of A+ B+ C?
Answer
What is the direction (8) of A+B+C relative to +x-axis?
a-839
b. 20
C-85
3 d. 148°

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