Acute Triangle
How to find the angle bisector.
You find the angle bisect tool here:[br]
To bisect an angle
[list][*]Selecting three points [i]A[/i], [i]B[/i], and [i]C[/i] produces the angle bisector of the enclosed angle, where point [i]B[/i] is the apex.[/*][/list]
Bisect each angle of the triangle.
Once you construct a perpendicular bisector on each side of the triangle, what do you observe?[br][br]Move the triangle around. Move the slider.[br]Does your observation still hold?