Q189. Points P(2, 2), Q(-2, 2), and R(k, 4) form a right-angled triangle with the right angle at vertex P. Find the value of k.Mathematics — Analytic Geometry — Question 189 of 217A. 2B. -2C. 4D. -4Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →