 | 1896 - 774 pages
...semicircle is a right angle. Determine the magnitude of the angle in a quarter circle. 8. Prove that if from a point without a circle two straight lines are drawn, one to touch the circle and the other to cut it, the rectangle contained by the segments of the latter... | |
 | Alexander H. McDougall - Geometry - 1910 - 316 pages
...PAB |I| A PCA. .-. £f = £|- (IV-8, p. 236.) CHORDS AND TANGENTS THEOREM 18 (Converse of IV— 17) If from a point without a circle two straight lines are drawn, one of which is a secant and the other meets the circle so that the square on the line which meets... | |
 | Great Britain. Board of Education - Mathematics - 1912 - 632 pages
...that if the perimeter of the triangle ABC ib constant then BC touches a fixed circle. 6. Prove that, if from a point without a circle two straight lines are drawn, one of which cuts the circle while the other touohes it, then the rectangle contained by the whole... | |
 | Great Britain. Board of Education - Education - 1912 - 1044 pages
...that if the perimeter of the triangle ABC is constant then BC touches a fixed circle. 6. Prove that, if from a point without a circle two straight lines are drawn, one of which cuts the circle while the other touches it, then the rectangle contained by the whole... | |
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P is at the center of the circle. II. 18. The sum of the arcs subtending the vertical angles made by any two chords that intersect, is the same, as long as the angle of intersection is the same. 19. From a point without a circle two straight lines are... 
