Pair of Angles

# Pair of Angles

• 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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