Category:Wallace-Simson Line

This category contains results about Wallace-Simson Line.
Definitions specific to this category can be found in Definitions/Wallace-Simson Line.

Let $\triangle ABC$ be a triangle.

Let $P$ be a point on the circumcircle of $\triangle ABC$.

Construct perpendiculars from $P$ to each of the sides of $\triangle ABC$.

Let $D$, $E$ and $F$ be the feet of those perpendiculars.

The line $DEF$ called the Wallace-Simson line of the point $P$ with respect to $\triangle ABC$.