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Definitions from the Web

Complementary Angle

A complementary angle refers to one of the two angles whose sum is equal to 90 degrees. These angles are said to "complement" each other because when added together, they form a right angle.

Senses and Usages:

As a Noun:

In geometry, a complementary angle is a pair of angles that add up to 90 degrees. For example, if one angle measures 30 degrees, its complementary angle will measure 60 degrees.

Example Sentence: The complementary angle of 40 degrees is 50 degrees.

As an Adjective:

In everyday conversation, when two things or persons are described as complementary, it means they enhance or complete each other.

Example Sentence: The couple's personalities were complementary, making them a perfect match.

Related Products:

You may find these related products on Amazon:

• Complementary Angle Poster
• Complementary Angle Protractor
• Introduction to Complementary Angles Book