Answer:
Second option.
Step-by-step explanation:
The first option is not correct because the circumference would then be inside the triangle.
The third option is not correct because the circumcenter doen't need two circumferences.
The fourth opction is not correct because the incenter need the middle poitn of each side and in the image there is only one.
Then, the correct opction is two, An equilateral triangle inscribed in a circle.
