# Geometry

posted by
**mic**
.

In triangle ABC, A = (5, 9), B = (3, 1), and C = (11, 3). Write the equation of the altitude from A to BC. Use point-slope form ... y - y1 = m(x - x1).

posted by
**mic**
.

In triangle ABC, A = (5, 9), B = (3, 1), and C = (11, 3). Write the equation of the altitude from A to BC. Use point-slope form ... y - y1 = m(x - x1).