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 Books Bücher 111 - 120 von 194 in 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 at right angles to the touching line, the centre of the circle shall be in that line. Military examinations. Mathematical examination papers, set for entrance to ... - Seite 99
von Woolwich roy. military acad, Walter Ferrier Austin - 1880
Vollansicht - Über dieses Buch ## The Competitor, Bände 3-4

1883
...semicircle is less than a right angle, and the angle in a semicircle is a right angle. 8. Prove that, if a straight line touch a circle and from the point of contact another straight line be drawn to cut the circle, the angles which this line makes with the former...
Vollansicht - Über dieses Buch ## The Practical Teacher; with which is Incorporated the Practical ..., Band 2

Joseph Hughes - 1883
...angle EDG, .'.(I. 26) the angle GEA= the angle FEA. And CE, EA = BE, EA .-.CAE = BAE (I. 4). Q- E- D12. If a straight line touch a circle and from the point...line be drawn cutting the circle, the angles which the line makes with the line touching the circle shall be equal to the angles which are in the alternate...
Vollansicht - Über dieses Buch ## The Elements of Euclid for the Use of Schools and Colleges: Comprising the ...

Euclid, Isaac Todhunter - 1883 - 400 Seiten
...perpendicular to DE, but FC; therefore FC is perpendicular to DE. EUCLID'S ELEMENTS. PROPOSITION 19. 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. Let the straight...
Vollansicht - Über dieses Buch ## Cambridge university examination papers

...that FG is equal to GB. 6. If two circles cut one another, they shall not have the same centre. 7. If a straight line touch a circle, and from the point...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 alternate...
Vollansicht - Über dieses Buch ## Cambridge University Examination Papers.Michaelmas Term,1884 to Easter Term ...

...from the centre : and those which are equally distant from the centre are equal to one another. 6. If a straight line touch a circle, and from the point...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 alternate...
Vollansicht - Über dieses Buch ## Calendar of Dalhousie College and University

Dalhousie University - 1887
...rectangle contained by the whole and one of the parts may be equal to the square on the other part. 11. Tf 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. 12. In a circle,...
Vollansicht - Über dieses Buch ## Annual Report

...externally, the straight line which joins their centres shall pass through the point of contact, 9. If a straight line touch a circle, and from the point of contact a straight line b« drawn cutting the circle, the angles which this line makes with the line touching the circle shall...
Vollansicht - Über dieses Buch ## Calendar of Dalhousie College and University

Dalhousie University - 1888
...tangent to a circle is at right angles to the radius drawn from the centre to its point of contact. 5. If a straight line touch a circle, and from the point of contact any chord of the circle be drawn, the angles between the chord and the tangent are equal to the angles...
Vollansicht - Über dieses Buch ## Woolwich Mathematical Papers for Admission Into the Royal Military Academy ...

E. J. Brooksmith - 1889
...the angle A. Show that the construction is impossible unless 2C + A is less than a right angle. 7. If a straight line touch a circle, and from the point...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 alternate...
Vollansicht - Über dieses Buch ## Practical Plane Geometry: Giving the Simplest Modes of Constructing Figures ...

John Fry Heather - 1890 - 172 Seiten
...Angles in the same segment of a circle are equal to one another. (Eu. III., 21.) 137. THEOR. 23. — If a straight line touch a circle, and from the point...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 alternate...
Vollansicht - Über dieses Buch