Find the orthocenter of the triangle formed by x=0x=0x=0, y=0y=0y=0, and 3x+4y=123x + 4y = 123x+4y=12.
(0,0)(0, 0)(0,0)
(3,4)(3, 4)(3,4)
(4,3)(4, 3)(4,3)
(1,1)(1, 1)(1,1)