Ex-tangential quadrilateral
In Euclidean geometry, an ex-tangential quadrilateral is a convex quadrilateral where the extensions of all four sides are tangent to a circle outside the quadrilateral. It has also been called an exscriptible quadrilateral. The circle is called its excircle, its radius the exradius and its center the excenter (E in the figure). The excenter lies at the intersection of six angle bisectors. These are the internal angle bisectors at two opposite vertex angles, the external angle bisectors (supplementary angle bisectors) at the other two vertex angles, and the external angle bisectors at the angles formed where the extensions of opposite sides intersect (see the figure to the right, where four of these six are dotted line segments). The ex-tangential quadrilateral is closely related to the ta
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Ex-tangential quadrilateral
In Euclidean geometry, an ex-tangential quadrilateral is a convex quadrilateral where the extensions of all four sides are tangent to a circle outside the quadrilateral. It has also been called an exscriptible quadrilateral. The circle is called its excircle, its radius the exradius and its center the excenter (E in the figure). The excenter lies at the intersection of six angle bisectors. These are the internal angle bisectors at two opposite vertex angles, the external angle bisectors (supplementary angle bisectors) at the other two vertex angles, and the external angle bisectors at the angles formed where the extensions of opposite sides intersect (see the figure to the right, where four of these six are dotted line segments). The ex-tangential quadrilateral is closely related to the ta
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En geometría euclídea, un cuad ...... mo pueden tener un excírculo.
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In Euclidean geometry, an ex-t ...... can at most have one excircle.
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Внеописанный четырёхугольник — ...... стороны касаются окружности).
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En geometría euclídea, un cuad ...... tas seis rectas son segmentos
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In Euclidean geometry, an ex-t ...... l is closely related to the ta
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Внеописанный четырёхугольник — ...... стороны касаются окружности).
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Cuadrilátero extangencial
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Ex-tangential quadrilateral
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Внеописанный четырёхугольник
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