 | Euclides - 1816 - 588 pages
...there can be but one straight line which touches the ' circle in the same point.' PROP. XVII. PROB. To draw a straight line from a given point, either...it is required to draw a straight line from A which Btiolt HI. shall touch the circle. .»"v^> Find* the centre E of the circle, and join AE ; and from... | |
 | Euclid, Robert Simson - Geometry - 1821 - 514 pages
...of a circle from the exstraight line which touches the circle in the same point.' PROP. XVII. PROB. To draw a straight line from a given point, either...straight line from A which shall touch the circle. Find (I. 3.) the centre E of the circle, and join AE; and from the centre E, at the distance EA, describe... | |
 | Peter Nicholson - Mathematics - 1825 - 1046 pages
...'can be but one straight line which touches the circle in the same point. Proposition. XVII. Problem. To draw a straight line from a given point, either...without the given circle BCD ; it is required to draw a stra . lit line from A which shall touch the circle. Because E is the centre of the circles BCD, AFG,... | |
 | Robert Simson - Trigonometry - 1827 - 546 pages
...that there can be but one straight line which touches the circle in the same point." PROP. XVII. PROB. To draw a straight line from a given point, either...line from A •which shall touch the circle. Find * the centre E of the circle, and join AE ; and * 1. 3. from the centre E, at the distance EA, describe... | |
 | John Playfair - Geometry - 1829 - 210 pages
...circle, and meets it only in A. Therefore, a straight line &c. QED . ED. PROPOSITION XVII. PROBLEM. To draw a straight line from a given point, either...the circumference, which shall touch a given circle. That is, to draw a tangent to a circle. First, let A be a given point without the given circle BCD;... | |
 | Euclides - 1834 - 518 pages
...XVII. PROR. — To draw a straight line from a given point, cither without or in the circumfcrencc, which shall touch a given circle. First, let A be...straight line from A, which shall touch the circle. Find * the centre E of the circle, and join AE ; and from • I. 3. the centre E, at the distance EA, describe... | |
 | Robert Simson - Trigonometry - 1835 - 544 pages
...there can be but one " straight line which touches the circle in the same point." PROP. XVII. PROB. To draw a straight line from a given point, either...required to draw a straight line from A which shall touch Book III. the circle. .v>— •v™-' Find" the centre E of the circle, and join AE: and from a 1.... | |
 | Euclid - 1835 - 540 pages
...there can be but one " straight line which touches the circle in the same point." PROP. XVII. PROB. To draw a straight line from a given point, either...Let A be a given point without the given circle BCD ; A it is required to draw a straight line from A which shall touch the circle. Find* the centre E... | |
 | Mathematics - 1836 - 366 pages
...another upon one side of it are either two right angles, or are together equal to two right angles. 1 5. Draw a straight line from a given point either without...the circumference which shall touch a given circle. 16. If the sides of a rectangle be a and b, what is meant by saying that the rectangle = ab ? Illustrate... | |
 | John Playfair - Geometry - 1836 - 148 pages
...that any other straight line through D, except BC, will cut the circumference. QED PROF. IX. THEOR. To draw a straight line from a given point, either...without or in the circumference, which shall touch agiven circle. First, Let A be a given point without the given circle BCD ; it is required to draw... | |
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To draw a straight line from a given point, either without or in the circumference, which shall touch a given circle. First, let A be a given point without the given circle BCD : it is required to draw a straight line from A which shall touch the circle. 
