1. Where is the circumcenter of a right triangle located?
   

Ainside the triangle

Bat a vertex of the triangle

Con a side of the triangle

Doutside the triangle

1. What are the coordinates of this circumcenter of a triangle? (coordinates A(1, 1), B(1, -3), C(7, -3))
   
   
2. Where is the incenter of an obtuse triangle located?
   

Aoutside the triangle

Bon the triangle

Cinside the triangle

Dcannot be determined