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  1. Supplementary Angles - Math is Fun

    When two angles add up to 180° we call them supplementary angles. These two angles (140° and 40°) are Supplementary Angles, because they add up...

  2. Definition | What are Supplementary Angles? - Cuemath

    Supplementary angles form a straight angle (180°) when they are put together. Any two angles that sum up to 180° are called supplementary angles. Observe the following figure which …

  3. What Are Supplementary Angles? Definition, Types, Examples

    Supplementary angles are a pair of angles that add up to 180 degrees. Learn the definition, properties, types, facts, examples, and more.

  4. Supplementary Angles - Mathwarehouse.com

    What are supplementary angles? Answer: Supplementary angles are angles whose sum is 180 ° No matter how large or small angles 1 and 2 on the left become, the two angles remain …

  5. Supplementary Angles - Math Steps, Examples & Questions

    What are supplementary angles? Supplementary angles are two angles that add up to 180 180 degrees. They can be adjacent or not adjacent. Adjacent angles are angles that share a …

  6. What Are Supplementary Angles? - HowStuffWorks

    May 15, 2024 · Two complementary angles add up to 90 degrees (a right angle), while larger combinations called supplementary angles add up to 180 degrees (a straight line). The …

  7. Complementary and Supplementary Angles - A Complete Guide

    May 23, 2025 · If two angles are supplementary, we know their measures add up to 180 degrees. That means finding the supplement of an angle is just a matter of subtracting its measure from …

  8. Supplementary Angles - GeeksforGeeks

    Jul 23, 2025 · Supplementary angles are two angles whose measures add up to 180°. In other words, if you have two angles, 50° and 130° when you add their measures together you get …

  9. Supplementary Angles | ChiliMath

    Two angles are supplementary if, when their measures are added, the result is 180 degrees. Note these angles don't have to be next to each other (adjacent) to be considered supplementary.

  10. Supplementary Angles: All You Need to Know - Interactive …

    Supplementary angles are two angles whose measurements add up to 180 degrees. For example, if one angle measures 90 degrees, then the other angle must measure 90 degrees …