Supplementary angles
Supplementary angles are a pair of angles that add up to 180 degrees
Supplementary angles are a pair of angles that add up to 180 degrees. In other words, if you have two angles that are supplementary, when you add their measures together, you will get a sum of 180 degrees.
For example, let’s say we have two angles, angle A and angle B. If angle A measures 120 degrees, and angle B is supplementary to angle A, we can find the measure of angle B by subtracting angle A’s measure from 180 degrees. Therefore, angle B will measure 180 – 120 = 60 degrees.
Supplementary angles can also be used to find the measurement of angles when given additional information. For instance, if we know that angle A is supplementary to angle B, and angle B measures 90 degrees, we can find the measure of angle A by subtracting angle B’s measure from 180 degrees. In this case, angle A would measure 180 – 90 = 90 degrees.
It is important to note that two angles can only be supplementary if their sum is equal to 180 degrees. If the sum of two angles is less than or greater than 180 degrees, they are not supplementary.
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