Find the Angle of Intersection of the Planes in Degrees $$\begin{array} { l } 3 x - 2 y + 5 z = 3 \\- x + 3 y + 3 z = 3\end{array}$$

Find the angle of intersection of the planes in degrees. Round to a tenth of a degree.
$$\begin{array} { l } 3 x - 2 y + 5 z = 3 \\- x + 3 y + 3 z = 3\end{array}$$

A) $4.8 ^ { \circ }$
B) $12.9 ^ { \circ }$
C) $77.1 ^ { \circ }$
D) $12.6 ^ { \circ }$
E) $1.3 ^ { \circ }$

Correct Answer:

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