www.freemathhelp.com/feliz-special-angles.html

As you may know, **two angles** are complementary if the **sum** of their **degree**
measures equals **90 degrees**. **Two angles**, measuring 50 **degrees** and 40
**degrees**, ...

www.freemathhelp.com/angles.html

Acute - any angle which measures less than **90 degrees**. These angles ...
Complementary Angles - **Two angles whose** measures add up to **90 degrees**.
Sample: ...

www.answers.com/Q/Two_angles_whose_sum_is_90_degrees

**two angles whose sum is 90 degrees** is a complementary angle.

www.brightstorm.com/math/geometry/geometry-building-blocks/supplementary-and-complementary-angles

Supplementary angles are two angles whose sum is 180 degrees while
complementary angles are **two angles whose sum is 90 degrees**. Supplementary
and ...

www.algebra.com/algebra/homework/Angles/Angles.faq.question.514028.html

SOLUTION: complementary **angles** are **angles whose sum is 90 degrees**. **two**
complemantary **angles** are such that their difference is 34 degrees. find the
**angles** ...

en.wikibooks.org/wiki/Geometry/Angles

An angle is the union of two rays with a common endpoint, called the vertex. ...
complementary angles are **two angles whose sum is 90 degrees**. complementary
...

www.khanacademy.org/math/geometry/hs-geo-foundations/hs-geo-angles/v/example-using-algebra-to-find-measure-of-complementary-angles

It called it a right angle which means it's **90 degrees**. I recognize the question ...
Formatting tips. A complementary angle is either of **two angles whose sum is 90**°.

www.softschools.com/math/geometry/topics/supplementary_and_complementary_angles

Complementary angles are **two angles** that have a **sum** of **90**°. There is an easy
... Supplementary angles form a straight line and have a **sum** of 180 **degrees**.

www.basic-mathematics.com/complementary-and-supplementary-angles.html

**Two angles whose** measures add to **90 degrees**. ... The following angles are also
complementary as long as the **sum** of the measures equal **90 degrees** ...