A right triangle is defined as a triangle with 2 sides that are perpendicular.
Triangle [math]ABC[/math] has vertices [math]A (–4, 8)[/math], [math]B (–1, 2)[/math], and [math]C (7, 6)[/math].
Determine if this triangle is a right triangle. When disproving a figure, you only need to show one condition is not met.
