| Education Ministry of - 1880
...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... | |
| Isaac Todhunter - 1880 - 400 Seiten
...therefore FC is perpendicular to DE. \VTierefore, 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** lie drawn at right angles to the touching line, the centre of the circle shall be in that line. Let... | |
| Euclides - 1881
...extremities without producing it, by means of the first part of this proposition. VS. OP. XXXII THEOREM. **If a straight line touch a circle, and from the point...the. angles which this straight line makes with the** tangent are equal to the anyles in the alternate segments of the circle. Let the straight line EF touch... | |
| 1884
...of a parallelogram is equal to the sum of the squares on the diagonals. 8. If a straight line iouch **a circle, and from the point of contact a straight...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... | |
| College of preceptors - 1882
...to the circumference, and prove that it is not equal to either of . these three straight lines. 7. **If a straight line touch a circle, and from the point...line touching the circle shall be equal to the angles** in the alternate segments of the circle. Through a point in the common chord AB of two intersecting... | |
| 1882
...intercepted between the perpendicular let fall on it from the opposite angle and the acute 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... | |
| Isaac Sharpless - 1882 - 266 Seiten
...right angle; wherefore the other, ADC, 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 which touches the circle, will be equal to the angles in the alternate... | |
| Mary W I. Shilleto
...intersect in E, the angles subtended by AC and BD at the centre are together double of the angle AEG. 2. **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 touching the circle must be equal to the angles, which are in the alternate... | |
| Education Ministry of - 1882
...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...contact a straight line be drawn cutting the circle, the** angle which this line makes with the line touching the circle shall be equal to the angles in the alternate... | |
| Education Ministry of - 1882
...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... | |
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