Search for: Home › Forums › Topic Tag: circles Viewing topic 1 (of 1 total) Topic Voices Posts Last Post What is the radius of a circle whose equation is x2 + y2 + 8x – 6y + 21 = 0? units Started by: Dhaneeshwor in: Math 1 2 1 year, 6 months ago ProtonsTalk Viewing topic 1 (of 1 total)