# Chapter 10 - Geometry - 10.2 Triangles - Exercise Set 10.2 - Page 628: 27

$\triangle{I} \cong \triangle{II}$

#### Work Step by Step

The given triangles have 2 pairs of congruent sides. The included angles are vertical angles, so they are congruent angles. Thus, by the SAS postulate, $\triangle{I} \cong \triangle{II}$.

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