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 Books Books 1 - 10 of 150 on The opposite angles of any quadrilateral figure inscribed in a circle, are together.... The opposite angles of any quadrilateral figure inscribed in a circle, are together equal to two right angles. Pure Mathematics - Page 273
1874 ## The Elements of Euclid, Viz: The Errors, by which Theon, Or Others, Have ...

Robert Simson - Trigonometry - 1775 - 520 pages
...fame fegment, &c. a ED PROP. XXII. THEO R. THE oppofite angles of any quadrilateral figure deleribed in a circle, are together equal to two right angles. Let ABCD be a quadrilateral figure in the circle ABCD ; any two of its oppofite angles are together equal to two right angles. Join AC,... ## The First Six Books: Together with the Eleventh and Twelfth

Euclid - 1781 - 520 pages
...fame fegment, &c. QED PROP. XXII. THEO R. THE oppofite angles of any quadrilateral figure defcribed in a circle, are together equal to two right angles. Let ABCD be a quadrilateral figure in the circle ABCD ; any two of its oppofite angles are together equal to two right angles. Join AC,... ## The Elements of Euclid

Euclid, Robert Simson - Geometry - 1781 - 466 pages
...fame fegment, &c. QED PROP. XXTI. THEO R- . THE oppofite angles of any quadrilateral figure deferibed in a circle, are together equal to two right angles. Let ABCD be a quadrilateral figure in the circle ABCD i arry two of its oppofite angle* are together equal to two right angles. Join AC,... ## The Elements of Euclid: Viz. the First Six Books, with the Eleventh and ...

Alexander Ingram - Trigonometry - 1799 - 351 pages
...&.c. Q^ED .PROP. PROP. XXII. THEOR. BOOK Hi. THE oppofite angles of any quadrilateral figure defcribed in a circle, are together equal to two right angles. Let ABCD be a quadrilateral figure in the circle ABCD ; any two of its oppofite angles are together equal to two right angles. Join AC,... ## The Elements of Euclid: Also the Book of Euclid's Data ...cor. viz. The ...

Robert Simson - Trigonometry - 1804
...fame fegment, &c. Q^ED PROP. XXII. THEOR. THE oppofite angles of any quadrilateral figure defcribed in a circle, are together equal to two right angles. Let ABCD be a quadrilateral figure in the circle ABCD ; any two of its oppofite angles are together equal to. two right angles. Join AC,... ## Elements of Geometry;: Containing the First Six Books of Euclid, with a ...

John Playfair - Euclid's Elements - 1804 - 440 pages
...fame fegment, &.c. D. PROP. XXII. T II EO R. THE oppofitc angles of any quadrilateral figure defcribed in a circle, are together equal to two right angles. Let ABCD be a quadrilateral figure in jhe circle ABCD ; any two of its oppofite angles are together equal to two right angles. Join AC,... ## Elements of Geometry: Containing the First Six Books of Euclid, with a ...

John Playfair - Euclid's Elements - 1806 - 311 pages
...same segment, &c. QED A J3 . XXII. THEOR. THE opposite angles of any quadrilateral figure described in a circle are together equal to two right angles. Let ABCD be a quadriVteral figure in the circle ABCD ; any two of its opposite angles >re together equal to two right... ## Elements of Geometry, Geometrical Analysis, and Plane Trigonometry: With an ...

Sir John Leslie - Geometry, Analytic - 1809 - 493 pages
...to each other. i PROP. XXI. THEOR. 'The opposite angles of a quadrilateral figure contained within a circle, are together equal to two right angles. Let ABCD be a quadrilateral figure described in a circle; the angles A and C are together equal to two right angles, and so are those... ## Elements of Geometry and Plane Trigonometry: With an Appendix, and Copious ...

Sir John Leslie - Geometry - 1817 - 432 pages
...visual magnitude. PROP. XVII. THEOR. The opposite angles of a quadrilateral figure contained within a circle, are together equal to two right angles. Let ABCD be a quadrilateral figure described in a circle ; the angles A and C are together equal to two right angles, and so are those... 