angle bisector theorem

4 minute read

Here’s another example of one the most interesting parts of geometry for me. (courtesy of a mathjam participant last month) See: earlier post Given an isosc...

Spring Break - Geometry Walk Through

Apr

09

3 minute read

Note: with Spring I really have no kids. Even my own are with my parents so here’s an old walk through I had laying around. On reread after a significant ga...

The curious case of the equilateral triangle and 3 concentric rings or the hidden angle bisector

Mar

21

4 minute read

Each of the vertices of an equilateral triangle lie on one of the three concentric circles with radii 1, 2 and 3. Find the length of the side of the equilat...

There’s more to the Angle Bisector Theorem

Jan

29

2 minute read

I just ran into a few very simple extensions of the angle bisector theorem which I’ve never noticed before. Since I couldn’t easily find this anywhere online...

angle bisector theorem

Sometimes one way is trickier than the other: angle bisectors

Spring Break - Geometry Walk Through

The curious case of the equilateral triangle and 3 concentric rings or the hidden angle bisector

There’s more to the Angle Bisector Theorem