Acute Triangle

How to find the angle bisector.

You find the angle bisect tool here:

To bisect an angle

  • Selecting three points AB, and C produces the angle bisector of the enclosed angle, where point B is the apex.
Bisect each angle of the triangle.

Once you construct a perpendicular bisector on each side of the triangle, what do you observe? Move the triangle around. Move the slider. Does your observation still hold?