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" 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. "
Elements of Geometry: Containing the First Six Books of Euclid with a ... - Pagina 81
door John Playfair - 1856 - 318 pagina’s
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Report of the Examinations Conducted by the Council of Higher Education ...

Newfoundland Council of Higher Education - 1917 - 184 pagina’s
...equal angles at the centre of the circle and supplementary angles at the point D. 7. Prove that, if a straight line touch a circle, and from the point of contact a straight line is drawn dividing the circle into two segments, the angles made by this line with the tangent are equal...
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Statistics of Land-grant Colleges and Universities, Volume 2,Nummers 17-31

United States. Office of Education - 1917 - 1336 pagina’s
...the side of the square. Show clearly all the construction lines in your figure. B. B 5. Show that if a straight line touch a circle, and from the point of contact a chord be drawn, the angles which this chord makes with the tangent are equal to the angles in the alternate...
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The Money Value of Education, Nummers 21-34

Alexander Caswell Ellis - 1917 - 1098 pagina’s
...the side of the square. Skow clearly all the construction lines in four figure. B. B 5. Show that if a straight line touch a circle, and from the point of contact a chord be drawn, the angles which this chord makes with the tangent are equal to the angles in the alternate...
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Bulletin, Nummers 27-40

United States. Office of Education - 1918 - 1128 pagina’s
...the side of the square. Show clearly all the construction lines in your figure. B. B 5. Show that if a straight line touch a circle, and from the point of contact a chord be drawn the angles which this chord makes with the tangent are equal to the angles in the alternate...
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The Training of Teachers of Mathematics for the Secondary Schools of the ...

Raymond Clare Archibald - 1918 - 310 pagina’s
...the side of the square. Show clearly all the construction lines in your figure. B. B 5. Show that if a straight line touch a circle, and from the point of contact a chord be drawn, the angles which this chord makes with the tangent are equal to the angles in the alternate...
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Conditions of Recognition, Classification, and Payment of Teachers in the ...

1923 - 264 pagina’s
...opposite angles of any quadrilateral inscribed in a circle are supplementary ; and the converse. If a straight line touch a circle, and from the point of contact a chord be drawn, the angles which this chord makes with the tangent are equal to the angles in the alternate...
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Theoretical Geometry: Based on the Various Geometry Books by Godfrey and Siddons

Arthur Warry Siddons, Reginald Thomas Hughes - 1926 - 202 pagina’s
...hypotenuse of a rightangled triangle as diameter passes through the opposite vertex 96 PAGE THEOREM 51. If a straight line touch a circle, and from the point of contact a chord be drawn, the angles which this chord makes with the tangent are equal to the angles in the alternate...
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Bulletin

1917 - 964 pagina’s
...Measure the side of the square. Show clearly all the construction lines In your figure. B 5. Show that if a straight line touch a circle, and from the point of contact a chord be drawn, the angles which this chord makes with the tangent are equal to the angles in the alternate...
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The Bombay University Calendar, Volume 1

University of Bombay - 1906 - 956 pagina’s
...opposite angles of any quadrilateral inscribed in aa circle are supplementary ; and the converse. If a straight line touch a circle, and from the point of contact a chord be drawn, the angles which this chord makes with the tangent are equal to the angles in the alternate...
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The Examination Statutes ... Together with the Regulations of the Boards of ...

University of Oxford - 1913 - 386 pagina’s
...opposite angles of any quadrilateral inscribed in a circle are supplementary ; and the converse. If a straight line touch a circle, and from the point of contact a chord be drawn, the angles which this chord makes with the tangent are equal to the angles in the alternate...
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