Find the angle between the planes 5x + y + 3z + 1 = 0 and x + y 2z + – McqOptions

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1.	Find the angle between the planes 5x + y + 3z + 1 = 0 and x + y 2z + 6 = 0.
A.	30.82
B.	34.91
C.	11.23
D.	7.54
Answer» C. 11.23

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