Where would the circumcenter of a circle be found?
a.
the circumcenter of a circle is the center of a circle that is inscribed inside a triangle that contains angle bisectors.
c.
the circumcenter of a circle is the center of a circle that is inscribed inside a triangle that contains perpendicular bisectors.
b.
the circumcenter of a circle is the center of a circle that is circumscribed about a triangle that contains perpendicular bisectors.
d.
the circumcenter of a circle is the center of a circle that is circumscribed about a triangle that contains angle bisectors.