Find the angle between two straight lines 2 × + 4y - 20 = 0 and 3 × – McqOptions

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1.	Find the angle between two straight lines 2 × + 4y - 20 = 0 and 3 × + 5y - 30 = 0.
A.	θ = tan - 1(1/13)
B.	θ = tan - 1(13/3)
C.	θ = tan - 1(11/40)
D.	θ = tan - 1(1/40)
Answer» B. θ = tan - 1(13/3)

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