saveavoided12 saveavoided12 01-10-2022 Mathematics Answered ble found BC in AABC. His work is shown below. Identify the first step in which his work shows an error_ A Step 1: B) Step 2: Step 3: 92 +15² = c² 81 +225 = c² 306 = c² A 9 in. 15 in.