# Chapter 3 - Review Exercises - Page 178: 15b

$\overline{PQ}$

#### Work Step by Step

m$\angle$P+m$\angle$Q+m$\angle$R=180 67+23+m$\angle$R=180 m$\angle$R=90 Angle R is the largest angle so the side across from it, PQ, is the largest side.

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