Need understanding !

micheal is constructing a circle circumscribed about a triangle. he has partially completed the construction, as shown below. what should be his next step? (picture attached with wrong answer)

Axel follows these steps to divide 40 by 9: start with 40. 1. divide by 9 and write down the remainder. 2. write a zero after the remainder. 3. repeat steps 1 and 2 until you have a remainder of zero. examine his work, and then complete the statements below.