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supplementary angles

American

[suhp-luh-men-tuh-ree ang-guhlz] / ˌsʌp ləˈmɛn tə ri ˈæŋ gəlz /

plural noun

Geometry. a pair of angles whose sum is 180°.

supplementary angles Scientific

/ sŭp′lə-mĕn′tə-rē /

Two angles whose sum is 180°.

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supplementary angles

We will need to add complementary angles and supplementary angles to our list some properties of angles.

From Textbooks ● May 6, 2020

The measures of two supplementary angles add to 180 degrees.

From Textbooks ● Apr. 22, 2020

The difference of two supplementary angles is 8 degrees.

From Textbooks ● Apr. 22, 2020

The difference of two supplementary angles is 70 degrees.

From Textbooks ● Apr. 22, 2020

It may be noted that ∠P2CP1, being made up of halves of two supplementary angles, is a right angle.

From The Teaching of Geometry by David Eugene Smith

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023