Answer:
circumcenter
Step-by-step explanation:
If points Q, R, S are on a circle, the sides of that triangle are chords of the circle. The point where the perpendicular bisectors of those chords meet is the center of that circumcircle. It is named the circumcenter.
213
123
21312
3213
1/36
There's only one situation where you can roll a sum of 2 (1,1)
so the final answer is just 1/36
the answer is 6/13 because 12/26 reduces so the answer is 6/13
32 X 2= 64
194-64 = 130 students