| 词汇 | alternate-angle |
| 释义 | alternate angle noun[ C, usually plural ] mathematics specializeduk /ɒlˌtɜː.nət ˈæŋ.ɡəl/ us /ˈɑːltɝː.nət ˌæŋ.ɡəl/ one of two equal angles on opposite sides of a line that crosses two usually parallel lines (= lines that are always the same distance apart), and on opposite sides of those lines错角，交错角（交错角是两个相等的角之一：平行的两条线被第三条直线所截，这第三条直线的两侧就形成两个相等的交错角，两条平行线的两侧也各形成两个交错角） Compare corresponding angle Geometry: describing angles, lines & orientations angle of incidence angularity antinode asymptote asymptotic gradient interior angle multiaxial non-coplanar non-intersecting non-planar reflex shallow sine supplementary transversal triangulate unbowed vanishing point vertically Examples of alternate anglealternate angle Then one of the alternate angles is an exterior angle equal to the other angle which is an opposite interior angle in the triangle. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Two lines are parallel if and only if the two angles of any pair of alternate angles of any transversal are congruent (equal in measure). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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