MCQ PracticeIn a ΔPQR, ∠Q = 55° and ∠R = 35°. Find the ratio of angles subtended by side QR on circumcenter, incenter and orthocenter of the triangle.Subject: MathematicsTopic: TrianglesA3 : 2 : 1B3 : 2 : 4C3 : 4 : 2D4 : 3 : 2Correct Answer: DPractice QuizBack to MCQsRelated MCQsCurrent flows in a circuit whenEighttenths coulomb passes a point in 4 s. The current in amperes isThe unit of electrical charge is the