| John Playfair - Euclid's Elements - 1806 - 320 pages
...because DG=DB; therefore AD2+DB2=2AC2+ 2CD2. Wherefore, if a straight line, &c, QE D, PROP. XI. PROB. **TO divide a given straight line into two parts, so that the** rectangle contained by the whole and one of the parts may be equal to the square of the other part.... | |
| Euclid - Geometry - 1810 - 554 pages
...AD, DB are double of the squares of AC, CD. \Vherefore, if a straight line, &c. QED PR6P. XI. PROB. **TO divide a given straight line into two parts, so that the** rectangle contained by the whole and one of the parts shall be equal to the square of the other part.... | |
| Euclides - 1816 - 588 pages
...double of the squares of AC, CD. Wherefore, if a straight line, £c. QED "46. 1 Ho. 1 PROP. XI. PROB. **To divide a given straight line into two parts, so that the** rectangle contained by the whole, and one of the parts, shall be equal to the square of the other part.... | |
| Daniel Cresswell - Euclid's Elements - 1817 - 454 pages
...tangents to the two circles, drawn from any point of the line, shall be equal to one another. (LXXV.) **To divide a given straight line into two parts, so that the** square of the one shall be equal to the rectangle contained by the other and a given straight line.... | |
| Daniel Cresswell - Geometry - 1819 - 486 pages
...without the circles, shall (E. 36. 3. and S. 80. 3.) be equal to one another. PROP. LXXXI. 106. PROBLEM. **To divide a given straight line into two parts, so that the** square of the one shall be equal to the rectangle contained by the other and a given straight line.... | |
| John Playfair - Circle-squaring - 1819 - 350 pages
...DG=DB: Therefore, AD3 +DB3=2AC3+2CD3. Wherefore, if a straight line, &c. Q, ED . . PROP. XI. PROB. **To divide a given straight line into two parts, so that the** rectangle contained by the -whole, and one of the parts, may be equal to the square of the other part.... | |
| Peter Nicholson - Mathematics - 1825 - 1046 pages
...are double of the squares of AC, CD. Wherefore, if a straight line, &c. QED Proposition Xf. Problem. **To divide a given straight line into two parts, so that the** rectangle contained by the whole, and one of the parts, shall be equal 'o the square of the other part.... | |
| Robert Simson - Trigonometry - 1827 - 546 pages
...•3.1. « 46. 1. •6.2. t Constr. • 47. 1. t 3 Ax. t 30 Def. t lAx. t 3 Ax. t 30 Def. PROP. XL PROB. **To divide a given straight line into two parts, so that the** rectangle contained by the whole, and one of the parts, shall be equal to the square of the other part.... | |
| Euclid - 1835 - 540 pages
...AD, DB are double the squares of AC, CD. Wherefore, " if a straight line," &c. QED PROP. XI. PROB. **To divide a given straight line into two parts, so that the** rectangle contained by the whole, and one of the parts, shall be equal to the square of the other part.... | |
| Euclid, James Thomson - Geometry - 1837 - 410 pages
...HB, AD are equal. Then c B (II. 9.) HB2 + BD*, or AD2 + BD2= 5-a ' — 2CD2+2AC2.* PROP. XI. PROB. **To divide a given straight line into two parts, so that the** rectangle contained by the whole and one of the parts, may be equal to the square of the other part.... | |
| |