Pair of Angles

Table of Contents

  • Congruency – Definition
  • Congruent Angles
  • Denoting Congruency
    • Using Congruence Symbol
    • Without using Congruence Symbol
  • What’s Next?

In the previous segment, we learnt Three ways of naming angles. We will now learn about

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    Congruency and pairs of angles that are congruent to each other.

    What is Congruency?

    Congruency is the term used to signify identical forms. In geometry, two figures or objects having the same shape and size are said to be congruent.

    What are Congruent angles?

    Congruent angles are the angles having the same measure.

    For example, Consider two angles, ∠ABC and ∠PQR, each measuring 45Then, ∠ABC and ∠PQR are congruent angles.

    Congruent angles ∠ABC and ∠PQR

    How to denote congruency?

    There are two ways to denote congruency in a pair of angles:

    Congruence symbol

    When two angles are said to be congruent, the equal sign ( = ) with a tilde ( ∼ ) above it is used to represent congruency ( ≅ ).

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