an angle of 90°, e.g. at the corner of a square; any of the four angles formed at the centre of a circle divided into four equal parts
at right angles
forming a right angle
right-angled adj
| 单词 | right angle |
| 释义 | right anglenounan angle of 90°, e.g. at the corner of a square; any of the four angles formed at the centre of a circle divided into four equal parts at right angles forming a right angle right-angled adj |
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