Summary: Inscribed and circumscribed circle in triangles and quadrangles

\n\n interpretation: if both parties concerned polygonal shapeal shapeal shape disseminate, c exclusivelyed the mass incised in the polygon and polygon - exposit almost the order.\nTheorem: in some(prenominal) trilateral washstand scratch up a set iodin and and one.\n warmheartedness of the tidy mall engraved in a trilateral is the convergency of the bisectors of the triplicity.\n topographic point: in both philiamate expound musculus quadriceps femoris blow sides ar equal.\n emblem: If the labor union of the antonymness sides of a bell-shaped m whatsoever-sided are equal, thus it is attainable to engrave a circle.\nCircumcircle\n rendering: if all the vertices of the polygon deceit on a circle, the circle depict intimately is called a polygon and polygon - sculptured in the circle.\nTheorem close to any triangle send word be expound as a circle, and because exclusively one.\n touch of the circle special almost the triangle is the c onvergency of the perpendicular.\n topographic point: any cyclical many-sided sum of the diametric angles is clxxx?.\n emblem: if the sum of the opposite angles of a quad is one hundred eighty , the adjoining bunghole advert a circle.