Apply Congruence and Triangles

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Section 4.2

• Apply Congruence and Triangles

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Homework

• Pg 229 19, 20, 26 (only prove 26)

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Vocabulary

• Congruent Figures figures with the same size
  and shape
• Corresponding Parts sides and angles that are
  congruent to each other in congruent figures

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Theorem 4.3 Third Angles Theorem

• If two angles of one triangle are congruent to
  two angles of another triangle, then the third
  angles are also congruent.

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Theorem 4.4 Properties of Congruent Triangles
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Prove Theorem 4.3
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Use properties of congruent figures
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Examples
Show that PTS RTQ.