 | Bengal council of educ - 1852 - 348 pages
...of any parallelogram meet the diagonal of the whole parallelogram in the same point. 2. Describe a triangle having each of the angles at the base double of the third angle : and deduce the expression for sin 36°. 3. If two straight lines be at right angles to the same plane... | |
 | Euclides - 1853 - 334 pages
...given square ABCD, it is circumscribed (iv. Def. 6) about it. Which was to be done. PEOP. X. PEOB. To describe an isosceles triangle, having each of the angles at the base double of the third angle. Take any straight line AB, and divide (ii. n) it in the point c so that the rectangle AB, BC may be... | |
 | University of Sydney - 1853 - 810 pages
...straight lines drawn from the angles of a triangle perpendicular to the opposite sides meet in a point. 6. Describe an isosceles triangle having each of the angles at the base double the third angle. Hence show how to inscribe a regular decagon in a given circle. 7. Enunciate two propositions... | |
 | Royal Military Academy, Woolwich - 1853 - 400 pages
...of the angles BDA, DBA is double of the angle DAB. Wherefore an isosceles triangle ABD is described, having each of the angles at the base double of the third angle. Which was to be done. PROPOSITION XI. PROB. To inscribe an equilateral and equiangular pentagon in... | |
 | Euclides - 1853 - 146 pages
...three, and be described about the square ABCD. QEp . PROP. X. PROBLEM. To describe an isosceles Mangle, having each of the angles at the base double of the third angle. Take any straight line AB, and (II. 11.) divide it in the point C, so that the rectangle AB, BC, may... | |
 | Euclides - 1853 - 176 pages
...the angles bda, db a is double of the angle dab, wherefore an isosceles triangle abd is described, having each of the angles at the base double of the third angle. Which was to be done. PROPOSITION XI. — PBOBLEM. To inscribe an equilateral and eqwumgula/r pentagon... | |
 | Popular educator - 1854 - 922 pages
...exception of the fifth. This last I studied in the usual way, but without the assistance of a master. To describe an isosceles triangle having each of the angles at the base double of the vertical angle, almost baffled me. 1, however, after three months of hard study, succeeded in solving... | |
 | William Somerville Orr - 1854 - 534 pages
...all, mid is л described about tic square ABCD. Which was to be done. PROPOSITION X.— PÍIOBLEM. To describe an isosceles triangle having each of the angles at the base double of tinthird angle. ' u "• Take any straight line AB, and divide it in B,so and with centre A and radius... | |
 | Euclides - 1855 - 270 pages
...the square аз radius, describe a circle, and it will be the circle required. PROP. X. PROBLEM. To describe an isosceles triangle, having each of the angles at the base double of the third angle. Take any straight line AB, and divide it in the point С (II. 11), so that the rectangle AB.BС may... | |
 | Great Britain. Committee on Education - 1855 - 976 pages
...touches it. Section 4. } . About a circle to describe a triangular equiangular to a given triangle. 2. To describe an isosceles triangle, having each of the angles at the base double of the third angle. 3. To inscribe an equilateral and equiangular pentagon in a given circle. MECHANICS. (Three Hours allowed... | |
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To describe an isosceles triangle, having each of the angles at the base double of the third angle. 
