Two Vectors $\overrightarrow { \mathrm { A } }$ And $\vec { B }$

question 12

Multiple Choice

Two vectors $\overrightarrow { \mathrm { A } }$ and $\vec { B }$ are given by $\overrightarrow { \mathbf { A } } = 5 \hat{ \mathbf { i } } + 6 \hat { \mathbf { j } } + 7 \hat{ \mathbf { k } }$ and $\overrightarrow { \mathbf { B } } = 3 \hat { \mathbf { i } } - 8 \hat { \mathbf { j } } + 2 \hat { \mathbf { k } }$ .If these two vectors are drawn starting at the same point,what is the angle between them?

• A)106\(\degree\)
• B)102\(\degree\)
• C)110\(\degree\)
• D)113\(\degree\)
• E)97\(\degree\)

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