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" In a right-angled triangle, the side opposite the right angle is" called the Hypothenuse ; and the other two sides are cal4ed the Legs, and sometimes the Base and Perpendicular. "
Elements of Geometry: With Practical Applications ... - Page 43
by George Roberts Perkins - 1847 - 308 pages
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Elementary Geometry: Congruent Figures

Olaus Henrici - Congruences (Geometry) - 1879 - 218 pages
...right, or obtuse ; and the triangle is called acute-angled, right-angled, or obtuse-angled accordingly. In a right-angled triangle the side opposite the right angle is called the Hypothenuse. 139. These are very important theorems. They are immediate consequences of the axiom about G parallels....
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Elementary Geometry: Congruent Figures

Olaus Henrici - Congruences (Geometry) - 1879 - 216 pages
...right, or obtuse; and the triangle is called acute-angled, right-angled, or obtuse-angled accordingly. In a right-angled triangle the side opposite the right angle is called the Hypothennse. parallels. If that axiom be not the true one, we ought to have made in 113 the other...
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New Practical Arithmetic: In which the Science and Its Applications are ...

Henry Bartlett Maglathlin - Arithmetic - 1880 - 374 pages
...angle. ACUTE-ANGLED TRIANGLE. OBTUSE-ANGLED TBIANGLS. A RIGHT-ANGLED TRIANGLE has one right angle. The side opposite the right angle is called the HYPOTHENUSE, and the side perpendicular to the base, the PERPENDICULAR. RIGHT-ANGLED TRIANGLE. 411. By Geometry there may...
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Elements of Geometry

Simon Newcomb - Geometry - 1881 - 418 pages
...which has a right angle. Def. An obtuse-angled triangle is one which has an obtuse angle. 87. Def. In a rightangled triangle the side opposite the right angle is called the hypothenuse. Eight-angled 88. Def. When one ™*&*side of a triangle has to be distinguished from the other two...
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Elementary Synthetic Geometry of the Point, Line and Circle in the Plane

Nathan Fellowes Dupuis - Geometry - 1889 - 370 pages
...the projections of the remaining sides, taken in cyclic order, upon the line of that side. Def. — In a right-angled triangle the side opposite the right angle is called the hypothenuse, as distinguished from the remaining two sides. 169. Theorem. — In any right-angled triangle the...
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Euclid Revised: Containing the Essentials of the Elements of Plane Geometry ...

Euclid - Geometry - 1890 - 440 pages
...the other. Def. If a triangle has one of its angles right, it is called a rightangled triangle. Def. In a right-angled triangle the side opposite the right angle is called the hypotenuse. Proposition 47. THEOREM — In any right-angled triangle the square on t/ic hypotenuse...
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Manual of Plane Geometry, on the Heuristic Plan: With Numerous Extra ...

George Irving Hopkins - Geometry, Plane - 1891 - 208 pages
...all the six varieties. The sum of the three sides of a triangle is called the perimeter. In a right triangle, the side opposite the right angle is called the hypothenuse, and the other two sides the legs. The side on which a triangle is supposed to rest is called the base. In general, any side...
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Elementary Synthetic Geometry

George Bruce Halsted - Geometry - 1896 - 204 pages
...obtuse ; and the triangle is called acute-angled, right-angled, or obtuse-angled, accordingly. 220. In a right-angled triangle the side opposite the right angle is called the hypothenuse. 221. A triangle with two sides equal is called isosceles. 222. Theorem. If one side of a triangle be...
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Elementary Synthetic Geometry of the Point, Line and Circle in the Plane

Nathan Fellowes Dupuis - Geometry - 1894 - 313 pages
...the projections of the remaining sides, taken in cyclic order, upon the line of that side. Def. — In a right-angled triangle the side opposite the right angle is called the hypothenuse , as distinguished from the remaining two sides. 169. Theorem. — In any right-angled triangle the...
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New Practical Arithmetic: In which the Science and Its Applications are ...

Henry B. Maglathlin - 1894 - 368 pages
...angle. ACUTF.-ANOLED TEIANOLB. OBTUSE-ANGLED TEUANQLB. A RIGHT-ANGLED TRIANGLE has one right angle. The side opposite the right angle is called the HYPOTHENUSE, and the side perpendicular to the base, the PERPENDICULAR. RIGHT-ANGLED TUHW . 411. By Geometry there may be...
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