what does the word supplementary mean in the case of dealing with angles?
"Two Angles are Supplementary if they add up to 180 degrees.
They don't have to be together to be supplementary, just so long as the total is 180 degrees."
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In the context of dealing with angles, the word "supplementary" refers to a pair of angles that add up to 180 degrees. When two angles are supplementary, it means that when you measure their degrees and add them together, the total will always be 180 degrees.
To determine if two angles are supplementary, you can use a ruler or protractor to measure the angles individually. Then, simply add the measurements of the two angles together. If the sum of the angles equals 180 degrees, then they are supplementary.
Alternatively, if you only know the measure of one of the angles and want to find its supplementary angle, you can subtract the measure of the given angle from 180 degrees. The resulting value will give you the measure of the supplementary angle.
It is important to note that supplementary angles do not have to be adjacent (next to each other) or on the same line. They can be located anywhere, as long as their combined measure is 180 degrees.