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ТАНГЕНТНИ ЧЕТВОРОУГАО | ТАНГЕНТЕН ЧЕТИРИАГОЛНИК| TANGENT QUADRILATERAL

ТАНГЕНТНИ ЧЕТВОРОУГАО

ТАНГЕНТЕН ЧЕТИРИАГОЛНИК

Četvorougao u koji može da se upiše kružnica, postoji kružnica koja dodiruje stranice četvorogla,stranice četvorougla su tangente jedne kružnice.

Views: 323 | Added by: admin | Date: 06.04.2020

TETIVNI ČETVEROKUTI | ТЕТИВНИ ЧЕТИРИАГОЛНИЦИ

TETIVNI ČETVEROKUTI

ТЕТИВНИ ЧЕТИРИАГОЛНИЦИ

Obitelj je četverokuta vrlo velika. Neke njezine članove kao što su kvadrat, pravokutnik i paralelogram već ste dobro upoznali. Ovdje ćemo opisat jednog manje poznatog pripadnika te obitelji: tetivni četverokut.

Tetivni četverokut je četverokut oko kojeg se može opisati kružnica.

Views: 331 | Added by: admin | Date: 04.04.2020

Excentral Triangle

The excentral triangle, also called the tritangent triangle, of a triangle

is the triangle

with vertices corresponding to the excenters of

Views: 312 | Added by: admin | Date: 01.04.2020

Incircle of the arbelos

Let C be a point on a segment AB. The region bounded by the three semicircles (on the same side of AB) with diameters AB, AC and CB is called an arbelos. Suppose the smaller semicircles have radii a and b respectively. Let D be the intersection of the largest semicircle with the perpendicular through C to AB. This perpendicular is an internal common tangent of the smaller semicircles.

Views: 243 | Added by: admin | Date: 31.03.2020

Inversion in a circle | Инверзија

Take a ﬁxed circle K in the plane, with center O and radius R. The inversion in K sends every point P (other than O) to the point P′ on the ray OP determined by the condition OP′ · OP = R² . We call P′ the inversive image of P in K, or simply the inverse.

Views: 250 | Added by: admin | Date: 31.03.2020

Tucker Circles | Кружници на Tucker

Tucker Circles

The Tucker circles are a generalization of the cosine circle and first Lemoine circle which can be viewed as a family of circles obtained by parallel displacing sides of the corresponding cosine or Lemoine hexagon.