Unit 1, Lesson 3

There’s an Inequality Describing Any Triangle’s Sides

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Integrated Math 2

Practice

Rewrite this conjecture in the form of inequalities:

In a triangle, each side must be longer than the difference of the other two sides.

Justify this conjecture: “In a triangle, each side length must be greater than the difference of the other two sides’ lengths.”

from an earlier course

Select all the postulates that prove triangle congruence. Use your reference chart as needed.