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complementary angles

American  
[kahm-pluh-men-tuh-ree ang-guhlz] / ˌkɑm pləˈmɛn tə ri ˈæŋ gəlz /

plural noun

  1. Geometry. a pair of angles whose sum is 90°.


complementary angles Scientific  
/ kŏm′plə-mĕntə-rē /
  1. Two angles whose sum is 90°.


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The difference of two complementary angles is 26 degrees.

From Textbooks • May 6, 2020

The difference of two complementary angles is 68 degrees.

From Textbooks • Apr. 22, 2020

The difference of two complementary angles is 55 degrees.

From Textbooks • Apr. 22, 2020

The difference of two complementary angles is 30 degrees.

From Textbooks • Apr. 22, 2020

“Here we go,” Princeton says, as they begin a lesson on such concepts as parallel lines and complementary angles in the quiet coziness of the family’s suburban home ...

From "The World Is Flat" by Thomas L. Friedman

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