Q4. The equation of the circle with the origin as its center and passing through the vertices of an equilateral triangle, whose median is of length 3a, is:Mathematics — NUST Mock 3 — Question 4 of 200A. x2 + y2 = a2B. x2 + y2 = 4a2C. x2 + y2 = 9a2D. x2 + y2 = 16a2Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →