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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.