Inicia la sessió
 Llibres Llibres 31 - 40 de 116 sobre ... angles is called a right angle ; and the straight line which stands on the other....
... angles is called a right angle ; and the straight line which stands on the other is called a perpendicular to it. 11. An obtuse angle is that which is greater than a right angle. 12. An acute angle is that which is less than a right angle. 13. A term...
Elements of Geometry: Containing the First Six Books of Euclid with a ... - Pągina 9
per John Playfair - 1855 - 318 pągines
Visualització completa - Sobre aquest llibre

## A course of practical geometry for mechanics

William Pease - 1843 - 68 pągines
...plumb line, which it need not be. XI. An obtuse angle is that which is greater than a right angle. XII. An acute angle is that which is less than a right angle. The length of the legs of a rectilineal angle does not affect its quantity as an angle, for whether...
Visualització completa - Sobre aquest llibre

## Euclid's Elements of geometry [book 1-6, 11,12] with explanatory notes ...

Robert Potts - 1845
...called a perpendicular to it. XI. An obtuse angle is that which is greater than a right angle. XII. An acute angle is that which is less than a right angle. XIII. A term or boundary is the extremity of any thing. XIV. A figure is that which is inclosed by...
Visualització completa - Sobre aquest llibre

## A system of practical mathematics; being no.xvi. of a new series of school-books

1845
...called a perpendicular to it. 10. An obtuse angle is that which is greater than a right angle. 1 1 . An acute angle is that which is less than a right angle. 12. A term or boundary is the extremity of any thing. 13. A figure is that which is enclosed by one...
Visualització completa - Sobre aquest llibre

## The first six and the eleventh and twelfth books of Euclid's Elements; with ...

James Thomson - 1845 - 358 pągines
...said to be at right angles to it. 9. An obtuse angle is that which is greater than a right angle. 10. An acute angle is that which is less than a right angle. 11. Parallel straight lines are those which are in the same plane, and which, being produced ~~~ ever...
Visualització completa - Sobre aquest llibre

## The Elements of Euclid, the parts read in the University of Cambridge [book ...

Euclides - 1846
...called a perpendicular to it. xi. An obtuse angle is that which is greater than a right angle. xn. An acute angle is that which is less than a right angle. xin. A term or boundary is the extremity of any thing. xiv. A figure is that which is inclosed by one...
Visualització completa - Sobre aquest llibre

## The Elements of Geometry, Symbolically Arranged

1846
...called a perpendicular to it. XI. An obtuse angle is that which is greater than a right angle. XII. An acute angle is that which is less than a right angle. XIII. A term or boundary is the extremity of any thing. XIV. A figure is that which is enclosed by...
Visualització completa - Sobre aquest llibre

## The Elements of Geometry, Symbolically Arranged

1846
...called a perpendicular to it. XI. An obtuse angle is that which is greater than a right angle. XII. An acute angle is that which is less than a right angle. XIII. A term or boundary is the extremity of any thing. XIV. A figure is that which is enclosed by...
Visualització completa - Sobre aquest llibre

## The Decorator's assistant

...THE DECORATORS ASSISTANT. Steps to DEFINITIONS OF PRACTICAL GEOMETRY. (Continued from page 5.) 18. AN acute angle is that which is less than a right angle, as n rr 19. An obttue angle it that which is greater than a right angle, as n E F. OBs.— An ingle...
Visualització completa - Sobre aquest llibre

## The first book of Euclid's Elements, simplified, explained and illustrated ...

Euclides - 1847
...called a perpendicular to it. 11. An obtuse angle is that which is greater than a right angle. 12. An acute angle is that which is less than a right angle. Thus the angles ABC, ABD are each of them right angles; EBC is an obtuse, and EBD an acute angle ;...
Visualització completa - Sobre aquest llibre

## Lessons on the delineation of form

Charles Richson - 1848
...angles are described. DEFINITION. — " An obtuse angle is that which is greater than a right angle." " An acute angle is that which is less than a right angle." EXAMPLE IV.— To draw various angles in opposite sides of a horizontal or perpendicular. DIAGRAM,...
Visualització completa - Sobre aquest llibre