The supplementary vs complementary angles table. The following table shows the difference between supplementary and complementary angles. These angles have numerous real-time applications, the most common being the crossroads. While supplementary angles add up to 180 °, complementary angles add up to 90°. Non-adjacent supplementary angles, when put together, form a straight angle.Ĭomplementary angles and supplementary angles are those angles that exist in pairs. Hence, these two angles are non-adjacent supplementary angles. Observe the figure given below which shows ∠ABC and ∠PQR are non-adjacent angles as they neither have a common vertex nor a common arm. They may add up to 180° but they do not share any common vertex or common arm. Two supplementary angles that are NOT adjacent are said to be non-adjacent supplementary angles. Hence, these two angles are adjacent supplementary angles. Observe the figure given below which shows that ∠COB and ∠AOB are adjacent angles as they have a common vertex, O, and a common arm OB. Two supplementary angles with a common vertex and a common arm are said to be adjacent supplementary angles. Each of these types of supplementary angles is explained below. So, there are two types of supplementary angles. Supplementary angles can either be adjacent or non-adjacent. Adjacent and Non-Adjacent Supplementary Angles
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