supplementary angle
n.
The angle or arc that when added to a given angle or arc makes 180° or a semicircle.
supplementary angleEach of the two angles shown is a supplementary angle to the other one.
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| 单词 | supplementary angle |
| 释义 | supplementary angle n. The angle or arc that when added to a given angle or arc makes 180° or a semicircle. supplementary angleEach of the two angles shown is a supplementary angle to the other one. |
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