### Home > AC > Chapter 13 > Lesson 13.RE1-S > Problem 2-129

2-129.

Classify the triangle with vertices *A*(3, 2), *B*(−2, 0), and *C*(−1, 4) by finding the length of each side. Be sure to consider all possible triangle types. Include sufficient evidence to support your conclusion. Homework Help ✎

Draw slope triangles and use the Pythagorean Theorem.

If you need help, review Checkpoint 2A.

This is a scalene triangle. Explain why.