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" A right-angled triangle is one which has a right angle. The side opposite the right angle is called the hypothenuse. "
Elements of Geometry and Trigonometry: With Notes - Page 3
by Adrien Marie Legendre - 1828 - 316 pages
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Elements of Geometry: With Practical Applications, for the Use of Schools

Timothy Walker - Geometry - 1829 - 129 pages
...was to be proved. TRIANGLES. 44. DBF. — A triangle is a figure bounded by three straight lines. — An equilateral triangle is one which has its three sides equal. — An isosceles triangle is one which has two sides equal. — A scalene triangle is one which has no two sides equal. — A...
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Elements of Geometry: Containing the First Six Books of Euclid, with a ...

John Playfair - Euclid's Elements - 1835 - 316 pages
...equal. 20. A 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 - 359 pages
...eight, an octagon ; that of nine, a nonagon; that of ten, a decagon ; and that of twelve, a dodecagon. B 15. An equilateral triangle is one which has its three...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...
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Elements of Surveying: With a Description of the Instruments and the ...

Charles Davies - Surveying - 1839 - 376 pages
...of eight, an octagon; that of nine a nonagon ; that of ten, a decagon; that of twelve, a dodecagon. 15. An equilateral triangle is one which has its three...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: With a Description of the Instruments and the ...

Charles Davies - Surveying - 1839 - 261 pages
...decagon; that of twelve, a dodecagon. 15. An equilateral triangle is one which has its three sidea equal ; an isosceles triangle, one which has two of...one which ^ has a right angle. The side opposite the 17. Among the quadrilaterals, we distinguish : The square, which has its sides equal, and its angles...
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Elements of Surveying, and Navigation: With a Description of the Instruments ...

Charles Davies - Navigation - 1835 - 359 pages
...of eight, an octagon; that of nine a nonagon ; that of ten, a decagon; that of twelve, a dodecagon. 15. An equilateral triangle is one which has its three...angle. The side opposite the right angle is called the hypothenuse. Thus, iq the triangle ABC, right-angled at A, jjthe side BC is the hypothenuse. 20 1NTRODUCT1ON....
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Elements of Plane Geometry: For the Use of Schools

Nicholas Tillinghast - Geometry, Plane - 1844 - 96 pages
...is one which has two equal sides. 15. When no two sides are equal, the triangle is called scalene. 16. A right-angled triangle is one which has a right angle. The side opposite B the right angle is called the hypotenuse. Thus in the triangle ABC, right angled at A, BC is the...
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Elements of Surveying, and Navigation: With a Description of the Instruments ...

Charles Davies - Navigation - 1846 - 288 pages
...of eight, an octagon; that of nine a nonagon; that of ten, a decagon ; that of twelve, a dodecagon. 15. An equilateral triangle is one which has its three...one which ^ has a right angle. The side opposite the 17. Among the quadrilaterals, we distinguish : The square, which has its sides equal, and its angles...
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Elements of Geometry and Trigonometry Translated from the French of A.M ...

Charles Davies - Trigonometry - 1849 - 384 pages
...or polygon, and the lines themselves, taken together, form the contour, or perimeter of the polygon. 15. An equilateral triangle is one which has its three...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...
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Elements of Geometry and Conic Sections

Elias Loomis - Conic sections - 1849 - 252 pages
...rectilineal figure, or polygon, and the lines themselves, taken together, form the perimeter of the polygon. 15. An equilateral triangle is one which has its three sides equal. An isosceles triangle is that,which has only two sides equal. A scalene triangle is one which has three unequal sides. 16....
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