A right triangle is defined as a triangle with 2 sides that are perpendicular. Triangle [i]ABC[/i] has vertices [i]A[/i] (–4, 8), [i]B[/i] (–1, 2), and [i]C[/i] (7, 6). Determine if this triangle is a right triangle. When disproving a figure, you only need to show one condition is not met.
[list=1] [*]Plot the triangle on a coordinate plane. [*]Calculate the slope of each side using the general slope formula. [*]Observe the slopes of each side. [*]Make connections. [/list] This applet is provided by Walch Education as supplemental material for the [i]CCSS Integrated Pathway: Mathematics III[/i] program. Visit [url="http://www.walch.com"]www.walch.com[/url] for more information on our resources.