dragongirl999 dragongirl999 03-01-2023 Mathematics contestada Which set of side lengths could not be used to form a triangle?i just need to know how to do it, not the answer.a. 5cm, 7cm, 10cmb. 4cm, 10cm, 15cmc. 3cm, 8cm, 6cmd. 12cm, 8cm, 9cm