![]() ![]() If two angles share a common vertex and a common side and have a total of Let’s discuss how these two types are different from each other. Like complementary angles, supplementary angles can be adjacent or non-adjacent. Just like linear pairs, supplementary angles are pairs of angles that can form a straight line because their sum is $$180^\circ$$. More so, if you will notice, the two angles formed a straight line. Hence, in this case, $$72^\circ$$ is the supplement of $$108^\circ$$, and vice versa. When two angles are supplementary, we call each pair the supplement of the other angle. Since the sum is exactly $$180^\circ$$, we can say that they are supplementary to each other. If we get the sum of two angles, we will have $$72^\circ\ \ 108^\circ\ =\ 180^\circ$$ ![]() In the figure, we can see two angles – one measuring $$72^\circ$$ and the other angle with measure $$108^\circ$$. Let’s look at one example of supplementary angles. Using the mathematical sentences, we can say that two angles are supplementary if Since the sum of their angle measure is, supplementary angles always form a straight line. Supplementary angles are angles that when added together, their sum is And in order to do so, we need to familiarize ourselves with these geometric terms.Īre you ready to tackle another pair of angles called supplementary angles? Say no more as we dive into another adventure of defining supplementary angles and comparing them to other pairs of angles. However, supplementary and complementary angles do not have to be adjacent to each other, unlike vertical angles.ĭetermining and finding the measures of angles is one of the most commonly performed steps in Geometry. Supplementary angles, like vertical and complementary angles, are all pairs of angles. Geometry is one of the oldest and important branches of mathematics that deals with the properties of shapes such as lines and angles.
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