A simple online trigonometrical and analytical tool to find the circumcenter of an isosceles triangle. The isosceles triangle is one with two equal sides and obviously two equal angles. The circumcenter is the center point where the all three perpendicular bisectors meet. It is the center of the triangle's circumcircle. In this circumcenter of isosceles triangle calculator, enter the values for 3 sets of X,Y co-ordinates representing 3 bisectors and click calculate to find the circumcenter.