The [b][color=#6aa84f]circumcenter[/color][/b] of a triangle is the intersection of its three [b]perpendicular bisectors[/b].
Give a detailed description of the steps you followed to create this triangle's [color=#38761d]circumcenter[/color]. If you didn't get there, what things did you try?
1. Find the midpoint of each side of the triangle. [br][br]2. Create a line that is both perpendicular to the triangle's side and through that side's midpoint. [br][br]3. Find the intersection of the three [b]perpendicular bisectors[/b] and label it [b][color=#6aa84f]C[/color][/b] for the [b][color=#6aa84f]circumcenter[/color][/b].
Did you use a similar method?