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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

## Practical Arithmetic, by Induction and Analysis

Joseph Ray - Arithmetic - 1857 - 340 pages
...one side is perpendicular to another, the angle between them is a right angle, and the triangle is a right-angled triangle. The side opposite the right angle is called the hypotenuse; the other two sides, tho base and perpendicular. Thus, A .BC is a right-angled triangle;...

## Geometry for Beginners

100 pages
...called an obtuse-angled triangle. DBF. A triangle which has one of its angles a right angle is called a right-angled triangle. The side opposite the right angle is called the hypotenuse. DBF. A triangle which has all its angles acute angles is called an acute-angled triangle....

## Practical Geometry

Thomas Tate (Mathematical Master, Training College, Battersea.) - 1860 - 404 pages
...is called an obtuse.angled triangle. A triangle which has one of its angles a right angle is called a right.angled triangle. The side opposite the right angle is called the hypotenuse (a Greek word which means " subtending " the right angle). A triangle which has all its...

## A Shorter Geometry

462 pages
...(Also see p. 16.) Right.angled triangle. A triangle which has one of its angles a right angle is called a right.angled triangle. The side opposite the right angle is called the hypotenuse, (p. 35.) Ruler and compass constructions, (pp. 78, 198.) Scalene triangle. A triangle which...