| Euclides - 1837 - 112 sider
...FG", and that these = 2 AC* + 2 CD!. H PROPOSITION XI. E ._ Problem. To divide a given straight line **into two parts, so that the rectangle contained by...and one of the parts shall be equal to the square of** c KT~i the other part. Steps of the Demonstration. 1. Prove that CF x FA + AE* = EF*, and that this... | |
| Euclid - 1837 - 410 sider
...rectangle contained by the whole and one of the parts, may be equal to the square of the other part. Let **AB be the given straight line ; it is required to divide it** * The ten foregoing proposition)! may all be proved very easily by means of algebra, in connexion with... | |
| Andrew Bell - 1837 - 240 sider
...the mean distance. PROPOSITION XI. PROBLEM. To divide a given straight line in medial section. Let **AB be the given straight line ; it is required to divide it** in medial section. Upon AB describe the square ABDC (I. 46) ; bisect AC in E (1. 10), and join BE ;... | |
| Euclides - 1838 - 264 sider
...PROP. X. PROB. Tobiseet a given finite straight line, that is, to divide it into two equal parts. Let **AB be the given straight line ; it is required to divide it into two** equal parts. «. . Describe* upon AB an equilateral triangle ABC, „,',' and bisect* the angle ACB... | |
| Robert Simson - 1838 - 434 sider
...PROP. X. PROB. To bisect a given finite straight line, that is, to divide it into two equal parts. Let **AB be the given straight line : it is required to divide it** intotwo equal parts. Describe (1. 1.) upon it an equilateral triangle ABC, and bisect (9. 1.) the angle... | |
| John D. Williams - 1840 - 636 sider
...required to divide a line of 20 inches in length, into two such parts that the rectangle of the whple **and one- of the parts shall be equal to the square of the other.** Let one part — x ; then the other will be 20 — x. And by the question 20(20 — х)=з?, or ^+20^=400... | |
| Euclides - 1841 - 378 sider
...PROP. X. PROB. To bisect a given finite straight line, that is, to divide it into two equal parts. Let **AB be the given straight line; it is required to divide it into two** equal parts. * 1. 1. Describe* upon it an equilateral triangle ABC, and * 9. I- bisect* the angle ACB... | |
| Euclides - 1842 - 320 sider
...PROP. X. PROB. To bisect a given finite straight line, that is, to divide it into two equal parts. Let **AB be the given straight line; it is required to divide it into two** equal parts. Describe (1.1.) upon it an equilateral triangle ABC, and bisect (9. 1.) the angle AC в... | |
| John Playfair - 1842 - 332 sider
...PROP. X. PROB. To bisect a given finite straight line, that is, to divide it into two equal parts. Let **AB be the given straight line ; it is required to divide it into two** equal parts. Describe (1. 1.) upon it an equilateral triangle ABC, and bisect (9. 1.) the angle ACB... | |
| 1844 - 688 sider
...each of the parts are together equal to the square of the whole line. 7. Divide a given straight line **into two parts, so that the rectangle contained by...parts shall be equal to the square of the other part.** 8. If in a circle two straight lines cut one another, which do not both pass through the centre, they... | |
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