 | Robert Simson - Trigonometry - 1775 - 534 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,... | |
 | Euclid - 1781 - 552 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,... | |
 | Robert Simson - Trigonometry - 1781 - 534 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,... | |
 | Alexander Ingram - Trigonometry - 1799 - 374 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,... | |
 | John Playfair, Euclid - Circle-squaring - 1804 - 468 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,... | |
 | Robert Simson - Trigonometry - 1804 - 530 pages
...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,... | |
 | John Playfair - Mathematics - 1806 - 320 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... | |
 | Sir John Leslie - Geometry, Plane - 1809 - 522 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... | |
 | Sir John Leslie - Geometry - 1817 - 456 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... | |
 | John Playfair - 1819 - 354 pages
...same segment, &c. Q, ED PROP. XXII. THEOR. The opposite angles of any quadrilateral figure described in a circle, are together equal to two right angles. Let ABCD be a quadrilateral figure in the circle ABCD ; any two of its opposite angles are together equal to two right angles. Join AC,... | |
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The opposite angles of any quadrilateral figure inscribed in a circle, are together equal to two right angles. 
