A course of practical geometry for mechanics1856 |
Dentro del libro
Resultados 1-5 de 23
Página
... notes . Part III . - Lessons on the Months of the Year . SELECTIONS FROM THE LETTERS OF LORD CHESTERFIELD AND W. COWPER : Intended for translation into French . 2nd Edition , 12mo . price 3s . 6d . For the assistance of the learner , a ...
... notes . Part III . - Lessons on the Months of the Year . SELECTIONS FROM THE LETTERS OF LORD CHESTERFIELD AND W. COWPER : Intended for translation into French . 2nd Edition , 12mo . price 3s . 6d . For the assistance of the learner , a ...
Página 3
... Note . - Such definitions as are marked with a star are copied from the first book of Euclid's Elements . 1 * . A Point is that which hath no parts , or which hath no magnitude . A point has also been defined as having position , but no ...
... Note . - Such definitions as are marked with a star are copied from the first book of Euclid's Elements . 1 * . A Point is that which hath no parts , or which hath no magnitude . A point has also been defined as having position , but no ...
Página 8
... Note . - The sides of a trilateral figure must of necessity form three angles ; those of a quadrilateral , four ; and of a multilateral , as many angles as there are sides to the polygon . The three angles of any triangle are together ...
... Note . - The sides of a trilateral figure must of necessity form three angles ; those of a quadrilateral , four ; and of a multilateral , as many angles as there are sides to the polygon . The three angles of any triangle are together ...
Página 15
... Note . The lines forming the figures should be drawn in ink , in the same order as they were done in pencil , to fix the processes of construction in the student's memory . PROBLEMS . PROBLEM I. To bisect a given rectilineal angle ...
... Note . The lines forming the figures should be drawn in ink , in the same order as they were done in pencil , to fix the processes of construction in the student's memory . PROBLEMS . PROBLEM I. To bisect a given rectilineal angle ...
Página 18
... Note . If an angle be required to contain more than_90 degrees , this number must be first applied on the arc FG ( produced if necessary ) , and the remaining number of degrees added ; for example , if the angle is to contain 170 ...
... Note . If an angle be required to contain more than_90 degrees , this number must be first applied on the arc FG ( produced if necessary ) , and the remaining number of degrees added ; for example , if the angle is to contain 170 ...
Otras ediciones - Ver todas
Términos y frases comunes
13 inches A B C A C B Aldersgate Street altitude angle equal arc or angle Arithmetical mean Bisect Book centre circumference contain an angle cutting A B describe a circle describe a regular describe an arc diagonal scale distance Divide a line Draw a line Draw chords Draw the line ellipse equilateral triangle Euclid Euclid's Elements EXAMPLES French FRENCH LANGUAGE Geometry given angle given circle given line given parallelogram given point given square given straight line given triangle Harmonical mean heptagon inch side inches long inches radius inches respectively inscribe isosceles triangle Join Let A B line 2 inches line A B number of degrees number of equal parallel parallel ruler perpendicular plain scale plane Prob PROBLEM produced Prop protractor pupil radii rectangle rectilineal figure regular pentagon regular polygon Relfe rhombus right angles right line right-angled triangle scale of chords segment square equal triangle required vertex vertical angle
Pasajes populares
Página 8 - When a straight line standing on another straight line makes the adjacent angles equal to one another, each of the angles is called a right angle ; and the straight line which stands on the other is called a perpendicular to it.
Página 8 - A circle is a plane figure contained by one line, which is called the circumference, and is such that all straight lines drawn from a certain point within the figure to the circumference, are equal to one another.
Página 7 - A plane rectilineal angle is the inclination of two straight lines to one another, which meet together, but are not in the same straight line.
Página 68 - In any right-angled triangle, the square which is described upon the side subtending the right angle, is equal to the squares described upon the sides which contain the right angle.
Página 14 - An angle in a segment is the angle contained by two straight lines drawn from any point in the circumference of the segment to the extremities of the straight . line which is the base of the segment.
Página 9 - A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference.
Página 11 - Parallel straight lines are such as are in the same plane, and which being produced ever so far both ways, do not meet.
Página 7 - ... straight lines, and the other upon the other line : Thus the angle which is contained by the straight lines, AB, CB, is named the angle ABC, or CBA ; that which is contained by AB...