kcuda kcuda 03-11-2020 Mathematics contestada Given that AD is the perpendicular bisector of BC, AB=21.3, AC=21.3, and DC=9.1, identify BC. a) BC = 42.6 b) BC = 18.2 c) BC = 9.1 d) BC = 4.55 sorry i can't upload a picture of the triangle but this is from an luoa assignment. i know it's not C