Question

Which geometric principle is used in the construction shown below?

A. The intersection of the angle bisectors of a triangle is the center of the inscribed circle.
B. The intersection of the angle bisectors of a triangle is the center of the circumscribed circle.
C. The intersection of the perpendicular bisectors of the sides of a triangle is the center of the inscribed circle.
D. The intersection of the perpendicular bisectors of the sides of a triangle is the center of the circumscribed circle.

Answer 1

i think it is A im not sure tho

Answer 2

I think its B but im not really sure..

Answer 3

A. The intersection of the angle bisectors of a triangle is the center of the inscribed circle.