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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

A New Practical and Theoretical Arithmetic: In which in Addition to the ...

Horatio Nelson Robinson - 1845 - عدد الصفحات: 310
...figure represents a rightangled triangle — the right angle at B. It is proved, in geometry, that the sum of the squares of the two sides containing the right angle, is equal to the square of. the side opposite the right angle. Therefore the difference of the squares...

On the Mental Illumination and Moral Improvement of Mankind; Or An Inquiry ...

Thomas Dick - 1845 - عدد الصفحات: 752
...extraction of the Square Root; but no figure or explanation is given, excepting the following foot-note. "The square of the hypothenuse of a right-angled triangle, is equal to ;he sum of the squares of the other two sides." It should be represented as under. Miles. EDINBURGH...

The Torch

عدد الصفحات: 412
...had been seen in practical examples, before the science was established by abstract reasoning. Thus, that the square of the hypothenuse of a rightangled triangle is equal to the sum of the squares of the other two sides, was un experimental discovery, or why did the discoverer sacrifice...

Practical Arithmetic, Uniting the Inductive with the Synthetic Mode of ...

James Bates Thomson - 1846 - عدد الصفحات: 354
...AC is the hypothenuse. 356. It is an established principle in geometry, that the square described on the hypothenuse of a right-angled triangle, is equal to the sum of the squares described on the other two sides. (Leg. IV. 11. Euc. I. 47.) Thus if the base of the triangle...

Practical Arithmetic, Uniting the Inductive with the Synthetic Mode of ...

James Bates Thomson - 1846 - عدد الصفحات: 402
...AC is the hypothenuse. 356. It is an established principle in geometry, that the square described on the hypothenuse of a right-angled triangle, is equal to the sum of the squares described on the other too sides. (Leg. IV. 11. Euc. I. 47.) Thus if the base of the triangle...

The American Arithmetic

James Robinson (of Boston.) - 1847 - عدد الصفحات: 304
...comparative solidity ? Art. 263. We have shown by a diagram in Art. 189, that the square described upon the hypothenuse of a right-angled triangle, is equal to the sum of the squares described upon the base and perpendicular. Hence, when two sides of any right-angled triangle...

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

James Bates Thomson - 1847 - عدد الصفحات: 426
...3.172181. 29. 207f£. 9. 9801. 16. 47089. 23. 10342656. 30. 34967ft-. 371 578. The square described on the hypothenuse 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 truth...

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

James Bates Thomson - 1848 - عدد الصفحات: 434
...«idu JIC in tin- hypothenuse. B Base. ARTS. 575-580.] SQUARE ROOT. 371 578. The square described on the hypothenuse 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 truth...

American Common-school Arithmetic ...

Rufus Putnam - 1849 - عدد الصفحات: 402
...small squares in the square H to be equal to the number of small squares in the squares I and K. Hence, the square of the hypothenuse of a right-angled triangle is equal to the sum of the squares of both the other sides ; and, therefore, the hypothemise is equal to the square root of...

Lectures on the Philosophy of Arithmetic and the Adaptation of that Science ...

Uriah Parke - 1849 - عدد الصفحات: 414
...that In every right angled triangle the square of the side subtending the right angle, is equal to the sum- of the squares of the two sides containing the right angle; or in other words, the square of the Hypotenuse is equal to the sum of the squares of the Base and...




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