### Home > CCA2 > Chapter Ch4 > Lesson 4.1.1 > Problem 4-11

4-11.

Classify the triangle with vertices ,

*, and*

*by finding the length of each side. Be sure to consider all possible triangle types. Include sufficient evidence to support your conclusion.*

Draw slope triangles and use the Pythagorean Theorem. If you need help, review Checkpoint 2A.

This is a scalene triangle. Explain why.