## Arbitrary triangle

**The height of a triangle**

A triangle with its three heights.

It is possible for the heights to be outside the triangle.

It is possible for the heights to be outside the triangle.

The height of a triangle is perpendicular to the base line and joins the vertex positioned opposite.

A triangle always has three different heights, depending on, which of the triangles three sides you choose to be the base line.

It is possible for the heights to be outside the triangle.