Originally Posted by
zelda1850 given: A(2,-2) B (5,3) c ( -5,9)
prove ABC i s a right triangle using the slope formula
slope of ab = 3 - -2/ 5 - 2 and i got 5/3
slope of bc = 9 -3 / -5 - 5 and i got 6/-10
this doesnt look right can someone tell me what i did wrong?