| James Martin (of the Wedgwood inst, Burslem) - 1874
...is, 5. FC is perpendicular to DE. Therefore, if a straight line, &c. QED 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... | |
| thacker, vining, and co. - 1874
...meeting in F the lino CF which bisects the angle between CD and BC produced : prove that AE = EF. 3. **If a straight line touch a circle and from the point of** 8 contact a straight line bo drawn cutting the circle, the angles which this line makes with the line... | |
| Education Department,London - 1876
...figure formed by joining the extremities of these four lines taken in order will be a rectangle. 3. **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... | |
| Edward Atkins - 1876
...F(J is perpendicular to DE. Therefore, if a straight line, &o. QED, Proposition 19.— Theorem. Jf **a straight line touch a circle, and from the point of contact a straight line be drawn** at right angles to the touching liiie, the centre of the circle shall be in that line. Let the straight... | |
| Robert Potts - 1876 - 403 Seiten
...is, FC is perpendicular to DE. Therefore, if a straight line, &c. QED • PROPOSITION XIX. THEOREM. **If a straight line touch a circle, and from the point of contact a straight line** ba drawn at right angles to the touching line, the center of the circle ihali be in that line. Let... | |
| Richard Wormell - 1876
...it touches it internally or externally. .. .. .. .. .. ..116 19. If a straight line be a tangent to **a circle, and from the point of contact a straight line be drawn** perpendicular to the tangent, the centre of the circle shall be in that line. .. .. .. .. .. .. 116... | |
| Great Britain. Education Department. Department of Science and Art - 1877
...from the centre. What is the locus of the middle points of all equal chords of a circle? (15.) 29. **If a straight line touch a circle, and from the point...contact a straight line be drawn cutting the circle,** show that the angles which this line makes with the line touching the circle shall be equal to the... | |
| Āryabhaṭa - 1878
...If a straight line touch a circle, and froni the point of contact a straight line be drawn meeting **the circle ; the angles •which this straight line makes with the line touching the circle shall be** egual to the angles which are in the alternate segments of the circle. Lot the straight line EF touch... | |
| Oxford univ, exam. papers, 2nd publ. exam - 1879
...equal circles, equal angles stand on equal arcs, whether they be at the centres or circumferences. 9. **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... | |
| Oxford univ, exam. papers, 1st publ. exam - 1879
...intercepted between the perpendicular let fall on it from the opposite angle, and the acute angle. 10. **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... | |
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