## A graduated course of problems in practical plane and solid geometry |

### Inni boken

Resultat 1-5 av 16

Side

In inking - in , it is better to

Intersecting points are best determined when the lines or circles cut one another

pependicularly . The point is not so well determined , when the lines or circles cut

...

In inking - in , it is better to

**take**the curve lines before those which are straight .Intersecting points are best determined when the lines or circles cut one another

pependicularly . The point is not so well determined , when the lines or circles cut

...

Side 9

From point A as centre , with radius AC , describe arc CE . 3 . Draw the line CE ,

and it will be perpendicular to the given straight line AB . Another Method . 1 .

1 ) .

From point A as centre , with radius AC , describe arc CE . 3 . Draw the line CE ,

and it will be perpendicular to the given straight line AB . Another Method . 1 .

**Take**any point Din the given line AB towards A . Join DC , and bisect it in E ( Pr .1 ) .

Side 12

Bisect that , and we obtain an angle of 10° . Again , if angle FBC be trisected , by

drawing lines to B , we might obtain an angle of 5o . Problem 8 . To draw a line

parallel to a given line AB , at a given distance from it , as CD . AB 1 .

two ...

Bisect that , and we obtain an angle of 10° . Again , if angle FBC be trisected , by

drawing lines to B , we might obtain an angle of 5o . Problem 8 . To draw a line

parallel to a given line AB , at a given distance from it , as CD . AB 1 .

**Take**anytwo ...

Side 13

radius DC , describe an arc cutting AB in E . 2 . From C as centre , with the same

radius , describe an arc DF , and make arc DF equal to arc CE . 3 . Draw the line

FC ...

**Take**any point D in the given line AB towards A as centre ; and from . D , withradius DC , describe an arc cutting AB in E . 2 . From C as centre , with the same

radius , describe an arc DF , and make arc DF equal to arc CE . 3 . Draw the line

FC ...

Side 49

produce the radius DE outwards indefinitely 2 . From E , with line B as radius , cut

DE produced in F ; and from F , with the same radius , describe the second circle .

**Take**any point D as centre , and with line A as radius , describe a circle , andproduce the radius DE outwards indefinitely 2 . From E , with line B as radius , cut

DE produced in F ; and from F , with the same radius , describe the second circle .

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### Vanlige uttrykk og setninger

altitude arc cutting Atlas axis base Bisect the angle called centre circumference cloth complete cone construct contained curve cutting cylinder describe a circle describe an arc describe arcs diagonal diameter distance divide draw a line draw lines Draw the line edge elevation ellipse equal equal in area equilateral triangle face four given circle given line given point given square ABCD given straight line given triangle ABC half height hexagon horizontal plane inches inclined inscribe intersection isosceles triangle Join length Maps mark meeting Method NOTE obtain parallel parallelogram pass pentagon perpendicular Philips plane of projection polygon prism Problem produced projection projectors pyramid radii radius rectangle rectilineal figure regular represent required circle respectively right angles scale semicircle sides similar solid straight line Take touching traces trapezium vertical plane

### Populære avsnitt

Side 295 - Philips' Preparatory Atlas, Containing Sixteen Maps, full colored. Crown quarto, in neat cover, 6d. Philips Preparatory Outline Atlas. Sixteen Maps. Crown quarto, printed on fine cream-wove paper, in neat cover, 6d. Philips Preparatory Atlas of Blank Projections. Sixteen Maps. Crown quarto, printed on fine cream-wove paper, in neat cover, 6d. Philips Elementary Atlas for Young Learners.

Side 294 - Young Student's Atlas, Comprising Thirty-six Maps of the Principal Countries of the World, printed in colors. Edited by W. Hughes, FRGS Imperial 41.0., bound in cloth, 33. 6d. Philips Atlas for Beginners, Comprising Thirty-two Maps of the Principal Countries of the World, constructed from the best authorities, and engraved in the best style. New and enlarged edition, with a valuable Consulting Index, on a new plan.

Side 193 - A cone is a solid figure described by the revolution of a right-angled triangle about one of the sides containing the right angle, which side remains fixed. If the fixed side be equal to the other side containing the right angle, the cone is called a right-angled cone ; if it be less than the other side, an obtuse-angled ; and if greater, an acute-angled cone. XIX. The axis of a cone is the fixed straight line about which the triangle revolves.

Side 123 - A straight line is said to be cut in extreme and mean ratio, when the whole is to the greater segment as the greater segment is to the less.