https://www.khanacademy.org/math/class-12-tg/x6469e28db15923ec:system-of-circles/x6469e28db15923ec:angle-between-two-intersecting-circles/e/angle-between-two-intersecting-circles 2026-04-15T12:30:34.366824059Z Angle between two intersecting circles In this exercise we learn to (1) to find k for which circles are orthogonal to each other. (2) to find the angles between the given circles. (3) to find k for which angle is given for two intersecting circles (30, 45, 60 degrees). (4) to check if the given circles are orthogonal or not. Khan Academy exercise https://www.khanacademy.org/math/class-12-tg/x6469e28db15923ec:system-of-circles/x6469e28db15923ec:angle-between-two-intersecting-circles/e/intersecting-circles 2026-04-15T12:30:34.366824059Z Intersecting circles S+kL = 0 kS+mS' = 0 Khan Academy exercise