Find the orthocenter of the triangle with vertices (0,0)(0, 0)(0,0), (4,0)(4, 0)(4,0), and (0,3)(0, 3)(0,3).
(0,0)(0, 0)(0,0)
(4,3)(4, 3)(4,3)
(2,1.5)(2, 1.5)(2,1.5)
(4,0)(4, 0)(4,0)