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" A right-angled triangle (Fig. 24) is any triangle having one right angle. The side opposite the right angle is called the hypotenuse. "
Secondary-school Mathematics - Page 52
by Robert Louis Short, William Harris Elson - 1910
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Elements of Geometry and Trigonometry: With Notes

Adrien Marie Legendre - Geometry - 1822 - 394 pages
...five, a pentagon ; that of six, a hexagon ; and so on. XVI. A right-angled triangle is one which has a right angle. The side opposite the right angle is called the hypotenuse. Thus, ABC is a triangle right-angled at A; the side BC is B its hypotenuse. XVII. Among quadrilaterals,...
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Elements of Geometry: Containing the First Six Books of Euclid, with a ...

John Playfair - Euclid's Elements - 1835 - 336 pages
...scalene triangle is that which has three unequal sides. 21. Aright angled trangle is that which has a right angle. The side opposite the right angle is called the hypotenuse. 22. An obtuse angled triangle, is that which has an obtuse angle. 23. An acute angled triangle, is...
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Elements of Geometry and Trigonometry

Adrien Marie Legendre - Geometry - 1836 - 394 pages
...scalene triangle, one which has its three sides unequal. 16. A right-angled triangle is one which O has a right angle. The side opposite the right angle is called the hypothenuse. Thus, in the triangle ABC, right-angled at A, the side BC is the hypothenuse. 17. Among...
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Elements of Surveying: With a Description of the Instruments and the ...

Charles Davies - Surveying - 1839 - 376 pages
...scalene triangle, one which has its three sides unequal. 16. A right-angled triangle is one which has a right angle. The side opposite the right angle is called the hypothenuse. Thus, 20 INTRODUCTION. 17. Among the quadrilaterals, we distinguish : The square, which...
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Elements of Surveying, and Navigation: With a Description of the Instruments ...

Charles Davies - Navigation - 1841 - 414 pages
...scalene triangle, one which has its three sides unequal. 16. A right-angled triangle is one which has a right angle. The side opposite the right angle is called the hypothenuse. Thus, in the triangle ABC, right-angled at A, the side BC is the hypothenuse. 17. Among...
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Elements of Geometry and Conic Sections

Elias Loomis - Conic sections - 1849 - 252 pages
...scalene triangle is one which has three unequal sides. 16. A right-angled triangle is one which has a right angle. The side opposite the right angle is called the kypothenuse. An obtuse-angled triangle is one which has an obtuse angle. An acute-angled triangle is...
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Elements of Geometry and Trigonometry Translated from the French of A.M ...

Charles Davies - Trigonometry - 1849 - 372 pages
...scalene triangle, one which has its three sides unequal, 16. A right-angled triangle is one which C has a right angle. The side opposite the right angle is called the hypothenuse. Thus, in the triangle ABC, right-angled at A, the side BC is the hypothenuse. B 17. Among...
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Elements of Geometry and Trigonometry

Adrien Marie Legendre - Geometry - 1852 - 436 pages
...acute-angled triangle is one which has its three angles acute. 5. A right-angled triangle is one which has a right angle. The side opposite the right angle is called the Jiypothenuse, and the other two sides, the base and perpendicular. 6. An obtuse-angled triangle is...
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Elements of Surveying, and Navigation: With Descriptions of the Instruments ...

Charles Davies - Navigation - 1854 - 446 pages
...acute-angled triangle is one which has its three angles acute. 5. A right-angled triangle is one which has a right angle. The side opposite the right angle is called the hypothmuse, and the other two sides, the base and perpendicular. 6. An obtuse-angled triangle is one...
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Elements of Geometry and Trigonometry from the Works of A.M. Legendre ...

Charles Davies - Geometry - 1854 - 436 pages
...acute•angled triangle is one which has its three angles acute. 5. A right•angled triangle is one which has a right angle. The side opposite the right angle is called the hypothenuse, and the other two sides, the base and perpendicular. 6. An obtuse•angled triangle is...
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