ADJ | quadrilateral | - | - | |
NOUN | a quadrilateral | quadrilaterals | |
SYNO | four-sided | quadrangle | quadrilateral | ... |
ADJ positive | comparative | superlative
NOUN article.ind sg | pl
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Usage Examples English
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- Other less frequently used names for this class of quadrilaterals are "inscriptable quadrilateral", "inscriptible quadrilateral", "inscribable quadrilateral", "circumcyclic quadrilateral", and "co-cyclic quadrilateral".
- The internal angle bisectors of a convex quadrilateral either form a cyclic quadrilateral (that is, the four intersection points of adjacent angle bisectors are concyclic), or they are concurrent.
- Given any convex quadrilateral, there exists a triangle containing that convex quadrilateral in its interior.
- A self-intersecting quadrilateral is called variously a cross-quadrilateral, crossed quadrilateral, butterfly quadrilateral or bow-tie quadrilateral.
- In geometry, the perpendicular bisector construction of a quadrilateral is a construction which produces a new quadrilateral from a given quadrilateral using the perpendicular bisectors to the sides of the former quadrilateral.
- In geometry, Hesse's theorem, named for Otto Hesse, states that if two pairs of opposite vertices of a quadrilateral are conjugate with respect to some conic, then so is the third pair.
- If the quadrilateral is a tangential quadrilateral, then its incenter also lies on this line.
- The midpoint polygon of a quadrilateral is a parallelogram called its Varignon parallelogram.
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Contains translations by TU Chemnitz and Mr Honey's Business Dictionary (German-English only).
Links to this dictionary or to individual translations are very welcome!