GeometricScene Simple Examples

RandomInstance[GeometricScene[{A1,B1,C1,O1},
{T1==Triangle[Style[{A1,B1,C1},Darker[Blue]]],
Style[CircleThrough[{A1,B1,C1},O1],Darker[Blue]],
Style[O1,Darker[Green,.5]]==TriangleCenter[Style[T1,
Darker[Green]],"Centroid"]}]]