Q168. Let θ be the angle between the line passing through the points (1, 2) and (7, -1) and the line passing through the points (3, 2) and (5, 6). What is the value of θ?Mathematics — Analytic Geometry — Question 168 of 217A. 30°B. 45°C. 60°D. 90°Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →