Pls help me and give answer

Question

Milynn is constructing an inscribed hexagon in a circle using technology.

Part A: For the next step, where should Milynn place the center of the next circle? Explain your answer.

Part B: How can Milynn determine the radius of the next circle? Explain your answer.

PLS HELP ME ON PRACTICE PROBLEM>

Answer 1

Point C on the circle should located so that BC = AB.