What is the best description for this figure?
Aequilateral triangle circumscribed about a circle
Bcircle inscribed in an equilateral triangle
Cequilateral triangle inscribed in a circle
Dequilateral triangle superimposed in a circle
Aequilateral triangle circumscribed about a circle
Bcircle inscribed in an equilateral triangle
Cequilateral triangle inscribed in a circle
Dequilateral triangle superimposed in a circle