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in Co-ordinate geometry by (52.7k points)

Find the angle between the lines x + 2y + 2 = 0 and 2x +3y + 4 = 0

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Slope of line x + 2y + 2 = 0 is m1  = -1/2 and slope of line 2x + 3y + 4 = 0  is m2 = -2/3.

Therefore, angle between the given line is

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