# An Etymological Dictionary of Astronomy and AstrophysicsEnglish-French-Persian

## فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

### M. Heydari-Malayeri    -    Paris Observatory

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Number of Results: 7 Search : congruent
 congruent   دمساز   damsâzFr.: congruent   1) Agreeing; accordant. 2) Math.: → congruent number. 3) Geometry: → congruent angles, → congruent circles, → congruent line segments, → congruent polygons, → congruent triangles.Congruent "suitable, proper," from L. congruentem (nominative congruens) "agreeing, fit, suitable," p.p. of congruere, literally "to come together, agree, correspond with," from → com- "with" + a lost verb *gruere, *ruere "fall, rush."Damsâz "agreeing, consenting, harmonious," maybe from hamsâz "unanimous," → compatible. congruent angles   زاویه‌های ِ دمساز   zâviyehâ-ye damsâzFr.: angles congrus   Two angles if they have the same measure. Congruent angles may lie in different orientations or positions.→ congruent; → angle. congruent circles   پرهون‌های ِ دمساز   parhunhâ-ye damsâzFr.: cercles congrus   Two circles if they have the same size.→ congruent; → circle. congruent line segments   برنک‌های ِ دمساز   borankhâ-ye damsâzFr.: segments congru   Two line segments if they have the same length. They need not lie at the same angle or position on the plane.→ congruent; → line; → segment. congruent number   عدد ِ دمساز   adad-e damsâzFr.: nombre congru   Number theory: An → integer N if there exists a → right triangle with → rational sides so that the area of the triangle is N. For example, the number N = 6, because of the 3-4-5 triangle.→ congruent; → number. congruent polygons   چندبرهای ِ دمساز   candbarhâ-ye damsâzFr.: polygones congrus   Polygons that have an equal number of sides, and all the corresponding sides and angles are congruent. However, they can be in a different location, rotated or flipped over.→ congruent; → polygon. congruent triangles   سه‌برهای ِ دمساز   sebarhâ-ye damsâzFr.: triangles congrus   Two triangles when all corresponding sides and interior angles have the same measure. The triangles will have the same shape and size, but one may be a mirror image of the other.→ congruent; → triangle.