| E. J. Brooksmith - Mathematics - 1889 - 354 pages
...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 of contact a straight line be drawn** cutting the circle, the angles which this line makes with the line touching the circle shall be equal... | |
| Isaac Hammond Morris - Geometry, Plane - 1890 - 430 pages
...the point of contact is perpendicular to the line touching the circle.' Also the converse of this. ' **If a straight line touch a circle, and from the point...line, the centre of the circle shall be in that line.'** (Eue. in. 18 and 19.) 3. There is a large variety of problems of this kind, and in cases of difficulty... | |
| John Fry Heather - Geometry, Modern - 1890 - 252 pages
...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 of contact a straight line be drawn** cutting the circle, the angles which this line makes with the line touching the circle shall be equal... | |
| Edward Mann Langley, W. Seys Phillips - 1890 - 538 pages
...given point a chord of a given circle which bisected by a given straight line. PROPOSITION 32. THEOREM. **If a straight line touch 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... | |
| Queensland. Department of Public Instruction - Education - 1890 - 530 pages
...and enunciation of tlioae propositions of Euc. Bk. III., in which this definition is made use of. 3. **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... | |
| Euclid - Geometry - 1890 - 442 pages
...As, v ABQP is a cyclic quad. A And it has been shown that PAB < rt. A . Proposition 32. THEOREM — **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 tlie tangent are... | |
| 1891 - 718 pages
...whether that angle be right, obtuse, or acute. (6) Prove the case in which the angle is obtuse. 3. (a) **If a straight line touch 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 must be equal to... | |
| Queensland. Department of Public Instruction - Education - 1892 - 506 pages
...straight line which joins their centres, being produced, shall pass through tho point of contact. 3. **If a straight line touch a circle, and from the point of** 8 contact a chord be drawn, the angles which this chord makes with the tangent shall be equal to the... | |
| New Brunswick. Board of Education, New Brunswick. Department of Education - Education - 1893 - 804 pages
...whether that angle be right, obtuse, or acute. (6) Prove the case in which the angle is obtuse. 3. (a) **If a straight line touch 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 must be equal to... | |
| New Brunswick. Board of Education, New Brunswick. Department of Education - Education - 1893 - 800 pages
...whether that angle be right, obtuse, or acute. (b) Prove the case in which the angle is obtuse. 3. (a) **If a straight line touch 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 must be equal to... | |
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