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. Books 3-9 - Page 65by Euclid, Sir Thomas Little Heath, Johan Ludvig Heiberg - 1908Full view - About this book
| Alexander Caswell Ellis - Education - 1917 - 50 pages
...Measure the side of the square. Skow clearly all the construction lines in four figure. B. B 5. Show that **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... | |
| United States. Office of Education - Agricultural colleges - 1917
...Measure the side of the square. Show clearly all the construction lines in your figure. B. B 5. Show that **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... | |
| Education - 1917
...Measure the side of the square. Skow clearly all the construction lines in your figure. B. B 5. Show that **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... | |
| Saul Stahl - Mathematics - 1993 - 298 pages
...of a circle centered at O, and let P be a point on its circumference. By Proposition 20 above, qed **Proposition 32. If a straight line touch a circle,...the angles in the alternate segments of the circle.** R PROOF: In a given circle centered at C, let PQ be a chord, let PTbe a tangent, and let A be a point... | |
| 1860 - 147 pages
...circle, the given line being the chord of the arc . . . . . . . 167 Angle in alternate segment 169 **If a straight line touch a circle, and from the point of contact** a chord be drawn, the angles -which this chord mai-es icith the tangent are equal to the angles in... | |
| Peter M. Engelfriet - Mathematics - 1998 - 488 pages
...is the perpendicular to the tangent) 19. a & «J • H ft ft « i» £ s » mm 'L, &&m»z.ft Heath **If a straight line touch a circle, and from the point of contact** a straight line be drawn at right angles to the tangent, the centre of the circle will be on the straight... | |
| University of St. Andrews - 1900
...as old as B. Find their present ages. 7. If a, b, c, d be in continued proportion, prove that B. 8. **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... | |
| Great Britain - 1864
...two unequal straight lines are together greater than twice the rectangle contained by those lines. 8. **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... | |
| ...radius 2-6 in. a triangle equiangular to a given triangle. SECTION IX. "ALTERNATE SEGMKNT." THEOREM 14. **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... | |
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