Big Ideas Math Integrated I, 2016
BI
Big Ideas Math Integrated I, 2016 View details
4. Proving Statements about Segments and Angles
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Exercise 28 Page 475

The symbol ≅ means congruent.

Reflexive Property of Angle Congruence

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The statement ∠ F describes the angle F.

The statement tells us that ∠ F is congruent with itself. Since the statement is referring to an angle, this is known as the Reflexive Property of Angle Congruence.