In triangle ,begin italics,ABC,end italics,, all three angles are equal.
 Which describes triangle ,begin italics,ABC,end italics,?
 Answer Options with 4 options
 A. Triangle ,begin italics,ABC,end italics, is a right triangle.
 B. Triangle ,begin italics,ABC,end italics, is a scalene triangle.
 C. Triangle ,begin italics,ABC,end italics, is an equilateral triangle.
 D. Triangle ,begin italics,ABC,end italics, is an obtuse triangle.