Q199. If line l1 is given by the equation x - y + 3 = 0 and line l2 is given by x + y + 9 = 0, what is the angle in degrees between the two lines?Mathematics — Analytic Geometry — Question 199 of 217A. 90°B. 0°C. 30°D. None of thesePractice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →