Books Books
An oblong is that which has all its angles right angles, but has not all its sides equal.
Mensuration of lines, areas, surfaces, and volumes - Page xv
by Robert Rawson - 1856

## Euclid, books i. & ii., with notes, examples, and explanations, by a late ...

Euclides - 1879 - 146 pages
...distinguish it from the other two, and the angular point opposite to that side is called the vertex^ 30. Of four-sided figures : A square is that which has...its sides equal, and all its angles right angles. 31. An oblong is that which has all its angles right angles, but not all its sides equal. 32. A rhombus...

## Moffatt's pupil teachers' course (ed. by T. Page). Candidates, 2nd (-4th) year

Moffatt and Paige - 1879 - 426 pages
...obtuse angle. 29. An acute-angled triangle is that which has three acute angles. 30. Of quadrilateral or four-sided figures, a square is that which has all its sides equal and all its angles right angles. 31. An oblong is that which has all its angles right angles, but has not all its sides equal. 32. A...

## Moffatt's scholarship answers, by T.J. Livesey (T. Page).

Moffatt and Paige - 1879 - 378 pages
...through the centre, and terminated both ways by the circumference. (6) A sqnare is a four-sided figure, which has all its sides equal, and all its angles right angles (or, better, "one of its angles a right angle"). (c) The following are all the cases in the 1st Book:—...

## The Elements of Plane and Solid Geometry: With Chapters on Mensuration and ...

Isaac Sharpless - Geometry - 1879 - 282 pages
...equal, latus, a side. * Poly, many; gonia, an angle. * Isos, equal; ecelos, a leg. 23. A square is one which has all its sides equal, and all its angles right angles. 24. A rectangle 1 is one which has its opposite sides equal and all its angles right angles. 25. A...

## The Elements of Euclid for the Use of Schools and Colleges: With Notes, an ...

Isaac Todhunter - Euclid's Elements - 1880 - 426 pages
...angle : 29. An acute-angled triangle is that which has three acute angles. Of four-sided figures, 30. A square is that which has all its sides equal, and all its angles right angles : 31. An oblong is that which has all its angles right angles, but not all its sides equal : 32. A...

## The Elements of geometry; or, The first six books, with the eleventh and ...

Euclides - Euclid's Elements - 1881 - 236 pages
...that which has one angle a right angle and the sides which contain it equal to one another. XXXI. Ai\ oblong is that which has all its angles right angles, but has not all its sides equal. This definition is also redundant ; for m oblong [or rectangle, that is, a right-angled parallelogram]...

## Class lessons on Euclid

Marianne Nops - 1882 - 278 pages
...diameter, or diagonal. Parallelograms are of four kinds, which are thus defined by Euclid : — 30. ' A square is that which has all its sides equal and all its angles right angles.' 31. ' An oblong, or rectangle, is that which has all its angles right angles, but not all its sides...

## The Elements of Euclid for the Use of Schools and Colleges: Comprising the ...

Euclid, Isaac Todhunter - Euclid's Elements - 1883 - 426 pages
...angle : 29. An acute-angled triangle is that which has three acute angles. Of four-sided figures, 30. A square is that which has all its sides equal, and all its angles right angles : 31. An oblong is that which has all its angles right angles, but not all its sides equal : 33. A...