# CCGPS CA 6.1.2 Example 4

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- Walch Education

A right triangle is defined as a triangle with 2 sides that are perpendicular.
Triangle

*ABC*has vertices*A*(–4, 8),*B*(–1, 2), and*C*(7, 6). Determine if this triangle is a right triangle. When disproving a figure, you only need to show one condition is not met.## New Resources

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