| 单词 | equiangular |
| 例句 | By inversion at BC, ABC becomes an equiangular triangle A′BC. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 6 "Groups, Theory of" to "Gwyniad" 2011-12-16T03:00:12.320Z It opens with a definition of a regular polygon as one that is both equilateral and equiangular. The Teaching of Geometry 2011-10-12T02:00:52.133Z Euclid does not use the word regular, but he describes the polygons in question as equiangular and equilateral. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" 2011-09-19T02:00:10.473Z The next kind of propositions we have to consider are general propositions, such as “all men are mortal,” “all equilateral triangles are equiangular.” Our Knowledge of the External World as a Field for Scientific Method in Philosophy 2011-08-16T02:00:44.423Z Let the Triangle aei be given: And the circle, o, into which a Triangle equiangular to the triangle given, is to be inscribed. The Way To Geometry An inversion in AB changes ABC and A′BC into equiangular triangles ABC′ and A″BC′. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 6 "Groups, Theory of" to "Gwyniad" 2011-12-16T03:00:12.320Z Ah! you're found out, you rectilineal antecedent, and equiangular old hag! Irish Wit and Humor Anecdote Biography of Swift, Curran, O'Leary and O'Connell Parallelograms which are equiangular to one another, have to one another the ratio which is compounded of the ratios of their sides. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" 2011-09-19T02:00:10.473Z Thus all equilateral triangles are equiangular triangles; but in one case they are named from the equality of their angles, and in the other from the equality of their sides. Logic Deductive and Inductive For instance, in the particular case of equilateral triangles it is true to say, not only that 'all equilateral triangles are equiangular,' but also that 'all equiangular triangles are equilateral.' Deductive Logic Successive inversions at AB and BC then will change ABC into a series of equiangular triangles with B for a common vertex. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 6 "Groups, Theory of" to "Gwyniad" 2011-12-16T03:00:12.320Z About a given circle to circumscribe a triangle equiangular to a given triangle. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" 2011-09-19T02:00:10.473Z In a given circle to inscribe a triangle equiangular to a given triangle; Prop. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" 2011-09-19T02:00:10.473Z For example, if all the equilateral triangles are all the equiangular, we know at once that all non-equilateral triangles are also non-equiangular. Deductive Logic We may have a division consisting of mutually exclusive members, which yet involves a mixture of different bases, e.g. if we were to divide triangle into scalene, isosceles and equiangular. Deductive Logic |
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