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Pearson Geometry Common Core, 2011

PG

Pearson Geometry Common Core, 2011 View details

7. Inequalities in Two Triangles

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Exercise 31 Page 339

We want to use the given side lengths of $△ R F T$ to compare the angles of the same triangle.

We know that, if two sides of a triangle are not congruent, then the larger angle lies opposite the longer side. Applying this rule to our triangle, we can write the angles in order from smallest to largest.

18 R F m ∠ T < < < 21 R T m ∠ F < < < 24 F T m ∠ R

Subchapter links

Lesson Check p.336

Practice and Problem-Solving Exercises p.336-338

Standardized Test Prep p.339

Mixed Review p.339