Acute Triangle
How to construct a perpendicular bisector in geogebra.
Construct perpendicular bisectors on each side of the triangle.
Watch this video from 0:55 to 1:08
https://youtu.be/bUbi5SmHyjg
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?