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" Thus, that the square of the hypothenuse of a right-angled triangle is equal to the sum of the squares of the other two sides, was an experimental discovery, or why did the discoverer sacrifice a hecatomb when he made out its proof ?  "
The Modern Preceptor ; Or, a General Course of Education - الصفحة 269
بواسطة John Dougall - 1810
عرض كامل - لمحة عن هذا الكتاب

The Intuitions of the Mind Inductively Investigated

James McCosh - 1860 - عدد الصفحات: 512
...Julius Caesar lived, or that Jesus Christ died and rose again, or those by which we come to be assured that the square of the hypothenuse of a right-angled triangle is equal to the square of the other two sides. But in all such regressions we must at last come back to something...

Higher Arithmetic : Or, The Science and Application of Numbers: Combining ...

James Bates Thomson - 1860 - عدد الصفحات: 440
...16. 43681. 47089. 22. 23. 3.172181. 10342656. 29. 30. 207*?. 34967 A371 578. The square described on the hypothenu.se of a rightangled triangle, is equal to the sum of the squares described on the other two sides. (Thomson's Legendre, B. IV. 11, Euc. I. 47.) The Irii/h...

The Presbyterian Quarterly Review, المجلد 8

Benjamin John Wallace, Albert Barnes - 1860 - عدد الصفحات: 720
...reputed to have been the author of the multiplication table, and to have discovered that the square on the hypothenuse of a right-angled triangle is equal to the sum of the squares on the other two sides. Numbers led him over into astro* Butler. nomy. And here, it would...

Plane Trigonometry ...

Isaac Todhunter - 1860 - عدد الصفحات: 318
...preceding proof it should be remarked that it is shewn in Euclid, I. 47, that the square described on the hypothenuse of a right-angled triangle is equal to the sum of the squares described on the sides; and it is known that the geometrical square described upon any...

Outlines of Universal History: In Three Parts; with a Copious Index to Each ...

Joseph J. Reed - 1862 - عدد الصفحات: 196
...philosophers of antiquity. He discovered that every triangle inscribed in a semicircle is right-angled, and that the square of the hypothenuse of a right-angled triangle is equal to the sum of the squares Of the other two sides. He travelled in Asia and Egypt, whence it is supposed he derived...

The Advantages of Association of Ideas in Teaching: Addressed to the ...

Andrew Jackson Moulder - 1862 - عدد الصفحات: 32
...result of any compelling sequence of reasons, such as that by which we are forced to the conviction that the square of the hypothenuse of a right-angled triangle is equal to the sum of the squares on the other two sides. In the former case, Jupiter is declared to be the King of the Gods...

Look and live; or, Present salvation for all who will accept it

John Cumming - 1863 - عدد الصفحات: 266
...believe, what can be demonstrated, that any two sides of a triangle are greater than the third side ; or that the square of the hypothenuse of a right-angled triangle is equal to the sum of the squares of the two sides. But this belief has no effect or plastic influence, it does not descend...

An Outline of the Necessary Laws of Thought: A Treatise on Pure and Applied ...

William Thomson - 1863 - عدد الصفحات: 404
...had been seen in practical examples, before the science was established by abstract reasoning. Thus, that the square of the hypothenuse of a right-angled triangle is equal to the sum of the squares of the other two sides, was an experimental discovery, or why did the discoverer sacrifice...

An Outline of the Necessary Laws of Thought: A Treatise on Pure and Applied ...

William Thomson - 1863 - عدد الصفحات: 354
...had been seen in practical examples, before the science was established by abstract reasoning. Thus, that the square of the hypothenuse of a right-angled triangle is equal to the sum of the squares of the other two sides, was an experimental discovery, or why did the discoverer sacrifice...

A Written Arithmetic, for Common and High Schools: To which is Adapted a ...

George Augustus Walton - 1864 - عدد الصفحات: 376
...upon the line А С is equal to the two squares upon А В and В С ; and generally, The square upon the hypothenuse of a right-angled triangle is equal to the sum of the squares of the other two sides. Hence, EULE I. To find the hypothenuse, the base and perpendicular...




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