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 Llibres Llibres 81 - 90 de 194 sobre If a straight line touch a circle, and from the point of contact a straight line....
If a straight line touch a circle, and from the point of contact a straight line be drawn cutting the circle, the angles...
The Teacher's Assistant in the "Course of Mathematics Adapted to the Method ... - Pągina 44
1836 - 472 pągines
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## The college Euclid: comprising the first six and the parts of the eleventh ...

...FC; that is, FC is perpendicular to DE. Therefore, if a straight line, &e. QED PROP. XIX.— THEOREM. If a straight line touch a circle, and from the point of contact a straight line be drawn at right angles to the touching line, the centre of the circle shall be in that line. (References —...
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## A collection of elementary test questions in pure and mixed mathematics ...

James Robert Christie - 1866 - 404 pągines
...radius a, about its diameter. i • • J; >. , г.- •• . . - • I. GEOMETRY. > » •' *•"' 1. ' If a straight line touch a circle, and from the point...straight line be drawn cutting the circle, the angles which this line makes, && . 2. The sides about the equal angles of equiangular triangles are proportionals;...
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## Parliamentary Papers, Volum 52

1866
...straight line be drawn cutting; the circle, the angles which this line makes with the line touching the circle shall be equal to the angles in the alternate segments of the circle. If two circles touch each other, and parallel diameters be drawn, the straight line joining the opposite...
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## Elements of Geometry: Containing the First Six Books of Euclid: With a ...

John Playfair, Euclid - 1855 - 317 pągines
...other line but FC can be perpendicular to DE ; FC is therefore perpendicular to DE. B PROP. XIX. THEOR. If a straight line touch a circle, and from the point of contact a stimght Imt be drawn at right angles to the touching line, the centre of the circle is in that line....
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## The Elements of Euclid for the Use of Schools and Colleges: Comprising the ...

Euclid, Isaac Todhunter - 1867 - 400 pągines
...the adjacent angles are equal, they are right angles. * [I. Definition 10. PROPOSITION 32. THEOREM. If a straight line touch a circle, and from the point of contact a straight line lie drawn cutting the circle, the angles which this line makes with the line touching the circle shall...
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## The Elements of Euclid for the Use of Schools and Colleges: Comprising the ...

Euclid, Isaac Todhunter - 1867 - 400 pągines
...FC is perpendicular to DE. Wherefore, if a straight line &c. PROPOSITION 19. THEOREM. If a ttraight line touch a circle, and from the point of contact a straight line be drawn at right angles to the touching line, the centre of the circle shall be in that line. Let the straight...
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## church, state ,law and academic robes, church furniture

frank smith - 1868
...rectangle contained by the whole line and that part, together with the square of the other part. 6. If a straight line touch a circle, and from the point...by this line with the line which touches the circle are equal to the angles in the alternate segments of the circle. 7. If two straight lines cut one another...
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## Euclid's Elements of Geometry: Chiefly from the Text of Dr. Simson, with ...

Robert Potts - 1868 - 410 pągines
...when the adjacent angles are equal, they are right angles. (I. def. 10.) PROPOSITION XXXII. THEOREM. If a, straight line touch a circle, and from the point of contact a straight line be drawn meeting the circle ; the angles which this line makes with the line touching the circle shall be equal...
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## Elementary Geometry, Volum 2

James Maurice Wilson - 1868
...a chord AB be drawn from the point of contact A of the tangent TAS. Then will the angles BAS, BA T be equal to the angles in the alternate segments of the circle. For take any point P in the arc of the segment alternate to BAS, and join PB, PA, and produce PA to...
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## Examination for women. Examination papers, with lists of syndics and examiners

1870
...the whole line thus produced, and the given line, may be equal to the square on the part produced. 3. If a straight line touch a circle, and from the point...straight line be drawn cutting the circle, the angles which this line makes with the line touching the circle shall be equal to the angles which are in the...
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