Definition for alternate angles - Oxford Dictionaries Online (World English)

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	alternate angles (al¦ter\|nate an¦gles) plural noun Mathematics two angles, formed when a line crosses two other lines, that lie on opposite sides of the transversal line and on opposite relative sides of the other lines. If the two lines crossed are parallel, the alternate angles are equal.		More words in this category axis 1 congruent construct diagram elliptic geometric non-Euclidean nonagon octant paraboloid polar curve projective geometry prolate quadric segment skew tangent trammel trapezium trilateral Nearby Words alter alter ego alteration altercate altercation altered state alterity alternant alternate alternate angles alternating current alternation of generations alternative alternative comedy alternative dispute resolution alternative energy alternative fuel alternative medicine Alternative Service Book