If we look at the usual pin and string ellipse construction and take the locus of the incenters of the triangle formed by the string, we see it also is an ellipse.
Expressions
| Name | Input | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Locus 1 Eq |  |
 |
 |
 |
 |
 |
 |
 |
 |
| Locus 2 Eq | |
|
|
|
|
|
|
|
|
|
If we look at the usual pin and string ellipse construction and take the locus of the incenters of the triangle formed by the string, we see it also is an ellipse. Expressions
|
|||||||||||||||||||||||||||||||||||||||||||||||||||
