what are supplementary angles
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Supplementary Angles. Two Angles are Supplementary when they add up to 180 degrees. These two angles (140° and 40°) are Supplementary Angles, because they add up to 180°: Notice that together they make a straight angle.
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Answer:
the angles whose sum is 180 degree are known as supplementary angles.
Step-by-step explanation:
110 degree +70 degree =180 degree
so they are supplementary angles.
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