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A rectilineal figure is said to be described about a circle, when each side of the circumscribed figure touches the circumference of the circle. 5. In like manner, a circle is said to be inscribed...
Euclid's Elements of Geometry: The Six First Books. To which are Added ... - Page 106
by Euclid, Rev. John Allen - 1822 - 494 pages

## Short, But Yet Plain Elements of Geometry: Shewing how by a Brief and Easie ...

Ignace Gaston Pardies - Geometry - 1734 - 164 pages
...becaufe every Side of the Triangle touches the Circle \nb, gand/. -i. A Figure is faid to be Infcribed in a Circle, when all its Angles are in the Circumference of that Circle, as the Triangles be, in the following Figure. 22 Every Triangle, abc, may be infcribed...

## Elements of Geometry: With Their Application to the Mensuration of ...

Thomas Simpson - Geometry - 1760 - 276 pages
...when both its extremes are in the periphery thereof. 13. A right- lined figure is faid to be infcribed in a circle, when all its angles are in the circumference of the circle. i4. A circle is faid to be defcribed about a right-lined figure, when the periphery of the circle pafies...

## The Elements of Euclid: The Errors, by which Theon, Or Others, Have Long Ago ...

Robert Simson - Trigonometry - 1806 - 518 pages
...pass through the angular points of the figure about which it is described, each through each. III. A rectilineal figure is said to be inscribed in a circle, when all the angles of the incribed figure are upon the circumference of the circle. IV. A rectilineal figure...

## Elements of Geometry: Containing the First Six Books of Euclid, with a ...

John Playfair - Euclid's Elements - 1806 - 311 pages
...pass through the angular points of the figure about which it is described, each through each. III. A rectilineal figure is said to be inscribed in a circle, when all the angles of the inscribed figure are upon the circumference of the circle. Book IV. IV. Wl *"v^»/...

## Elements of Geometry, Geometrical Analysis, and Plane Trigonometry ...

Sir John Leslie - Geometry, Analytic - 1809 - 524 pages
...CF, must (II. 14.) be equivalent to the square of CH. f ELEMENTS GEOMETRY. BOOK IV. DEFINITIONS. 1. A rectilineal figure is said to be inscribed in a circle, when all its angular points lie in the circumference. 2. A rectilineal figure circumscribes a circle, when each...

## The Elements of Euclid: Viz. the First Six Books, Together with the Eleventh ...

Euclides - 1816 - 528 pages
...through the St«N. angular points of the figure about which it is described, each through each. 111. A rectilineal figure is said to be inscribed in a circle, when all the angles of the ( inscribed figure are upon the circumference of the circle. IV. A rectilineal figure...

## Elements of Geometry: Containing the First Six Books of Euclid: With a ...

John Playfair - 1819 - 317 pages
...pass through the angular points of the figure about which it is described, each through each, III. A rectilineal figure is said to be inscribed in a circle, when all the angles of the inscribed figure are upon the circumference of the circle. IV. A rectilineal figure...

## Elements of Geometry, Containing the First Six Books of Euclid

Euclid - 1826 - 180 pages
...sides of the circumscribed figure touch all the angles of that figure about which it is circumscribed. 3. A rectilineal figure is said to be inscribed in a circle, when every angle of the inscribed figure is upon the circumference of the circle. ' 4. A rectilineal figure...