Definition Of Supplementary Angles
What Are The Characteristics Of An Supplementary Angles?
When two angles add up to 180 degrees they are called
. For an example, closely look at the diagram below. We have a straight line which is a 180° angle. This 180° angle is cut in two by ray
. So now the 180° is divided in to two smaller angles that add up to 180°. Now let us express this definition in geometric math terms. Supplementary angles in geometry have the following characteristics.
First let's start with a
. We already know that
Now let us draw a Ray
. The angle at
If we look at the diagram below, the two adjacent angles are
. The sum of these two angles are 180° because they form a
We know 180° minus
equals 33°. So 180° minus 33° equals 147°. So the angle at
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