A = (-2.82, 1.44)
B = (0.58, 4.84)
C = (2.24, 1.54)
polígono1, c, a, b = Polygon(A, B, C)
d = Circle(Intersect[a, b], Intersect[a, c], Intersect[c, b])

Tool: Circunscrita (circunferencia) (command Circunscrita)
Triángulo
Input: polígono1
Output: d

A = (-2.82, 1.44)
B = (0.58, 4.84)
C = (2.24, 1.54)
polígono1, c, a, b = Polygon(A, B, C)
d = Circle(Intersect[a, b], Intersect[a, c], Intersect[c, b])