 | Patrick M. Egan - 1883 - Liczba stron: 212
...triangles iif mean proportional betiretn the other two. EXERCISE 281. A n isosceles triangle is described having each of the angles at the base double of the third angle : if the angles at the base be bisected, and the points where the lines bisecting them meet the opposite... | |
 | Woolwich roy. military acad - 1884 - Liczba stron: 148
...and the segments into which the base is divided by the inscribed circle, construct the triangle. 9. Describe an isosceles triangle, having each of the angles at the base double of the third angle. Shew how it is possible to describe within the smaller circle used in the construction a triangle equal... | |
 | Euclides - 1884 - Liczba stron: 434
...then the radius of the circumscribed circle will be denoted by PROPOSITION 10. PROBLEM. To dexcribe an isosceles triangle having each of the angles at the base double of the third angle. Take any straight line AB, and divide it internally at C so that AB . BC = AC2. II. 11 With centre... | |
 | James Gow - 1884 - Liczba stron: 350
...backwards are a synthetic solution of the problem. Suppose there is only one condition : eg To describe a triangle having each of the angles at the base double of the third angle. Draw an isosceles triangle ABC and assume that j^ the base angles are each double of the vertical angle.... | |
 | John Harris - 1884 - Liczba stron: 188
...offer a few remarks in favour of its limited admission for certain purposes. PROBLEM M. (HEPTAGON.) To describe an isosceles triangle having each of the angles at the base equal to one and a-quarter of the vertical angle. Take any straight line AB and divide it into seven... | |
 | John Fry Heather - 1884 - Liczba stron: 566
...Templets, 20. Timber contenting rule, 149 ; measuring instruments, 151. Triangle, construction of isosceles having each of the angles at the base double of the third angle, 50 ; solution of rightangled, 96. Triangular compasses, 62. Tubular compasses, 19. Vernier, 54. Versed... | |
 | 1885 - Liczba stron: 630
...PD, PE + rect. FQ, QG by the sq. on АО. Therefore the sq. on АО = rect. PD, PE + rect. FQ, QG. To describe an isosceles triangle having each of the angles at the base double of the third angle. Divide a right angle into 5 equal parts. Draw any line AB and divide it at С so that sq. on AC = rect.... | |
 | 1885 - Liczba stron: 608
...by the segments of one of them, is equal to the rectangle contained by the segments of the other. 3. Describe an isosceles triangle, having each of the angles at the base double of the third angle. 4. The sides about the equal angles of triangles, which are equiangular to one another, are proportionals... | |
 | Oxford univ, local exams - 1885 - Liczba stron: 358
...a right angle; and the angle in a segment less than a semicircle is greater than a right angle. 9. Describe an isosceles triangle, having each of the angles at the base double of the third angle. What part of a right angle is each of the angles of the figure in this proposition? WEDNESDAY, JUNE... | |
 | George Bruce Halsted - 1885 - Liczba stron: 389
...__ .-. FHJIK = ~A&. Take from each the common part AL, /. J7C= CD-, that is, ^___ PROBLEM III. 314. To describe an isosceles triangle having each of the angles at the base double the angle at the vertex. K-2 CONSTRUCTION. Take any sect, AB, and, by 313, divide it in C so that rectangle... | |
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PBOR. —To describe an isosceles triangle, having each of the angles at the base, double of the third angle. 
