: Find the angle between the straight lines represented by – InterviewSolution

1.

: Find the angle between the straight lines represented by

Answer»

angle between two lines in 2nd degree equation is given by

tan∅ = 2√h²-ab/(a+b). where 2h = 5 , a = 2 and b = 2

=> tan∅ = 2*√(25/4-4)/(2+2) = 2√(9/4)/(4) = 3/4

=>∅ = tan-¹(3/4)

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