 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 segments.  Parliamentary Papers - 5 페이지저자: Great Britain. Parliament. House of Commons - 1864전체보기 - 도서 정보
 | Richard Wormell - 1876 - 268 페이지
...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 - 562 페이지
...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... | |
 | University of Oxford - 1879 - 414 페이지
...sides is a right angle. 3. Describe a square that shall be equal to a given rectilineal figure. 4. If a straight line touch a circle, and from the point...be drawn cutting the circle, the angles which this straight line makes with the line touching the circle shall be equal to the angles which are in the... | |
 | Isaac Sharpless - 1879 - 282 페이지
...right angle; wherefore the other, AD C, is greater than a right angle. Proposition 22. Theorem.—If a straight line touch a circle, and from the point...straight line be drawn cutting the circle, the angles made by this line with the line ivhich touches the circle, will be equal to the angles in the alternate... | |
 | Euclides, James Hamblin Smith - 1879 - 376 페이지
...greater may be twice the part intercepted by the circumference of the less. PROPOSITION XXXII. THEOREM. If a straight line touch a circle, and from, the point...contact a straight line be drawn cutting the circle, the amjles nuule by this line with the line touching the circle must be equal to the angles, which are... | |
 | Moffatt and Paige - 1879 - 378 페이지
...KAE is equal to the angle BAE (I. 8), and the two lines AK, AB, are equally inclined to AE. (QED) 12. If a straight line touch a circle, and from the point...contact a straight line be drawn cutting the circle, Hie angles which this line makes with the line touchiiig the circle shall be equal to the angles which... | |
 | 1879 - 636 페이지
...it at right angles ; and if it cut it at right angles it shall bisect it. If a straight line touches a circle, and from the point of contact a straight line be drawn cutting the circle, the angles made by this line with the line touching the circle shall be equal to the angles which are in the alternate... | |
 | Joseph Wollman - 1879 - 120 페이지
...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 make with the line touching the circle shall be equal... | |
 | Edward Harri Mathews - 1879 - 94 페이지
...circle at right angles to each other. Show that they are sides of a square inscribed in the circle. 3. If a straight line touch a circle and from the point of contact a straight line be drawn meeting the circle, the angle which this line makes with the line touching the circle shall be equal... | |
 | Great Britain. Civil Service Commission - 1879 - 620 페이지
...from the point of contact a straight line be drawn cutting the circle, the angles made by this line with the line touching the circle shall be equal to the angles which arc in the alternate segments of the circle. 7. If a circle be described on the radius of another circle's... | |
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