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

### Inni boken

Resultat 1-5 av 22

Side

For example , if OG be double OH , then GE will be double HF , and the legs so

divided would enable us to enlarge a figure to double its size , or to reduce it to

of ...

For example , if OG be double OH , then GE will be double HF , and the legs so

divided would enable us to enlarge a figure to double its size , or to reduce it to

**half**its size . 10 . Diagonal Scale . 11 . Scale of Chords . Note . For a descriptionof ...

Side 4

... drawn from the centre to the circumference . Ex . AB17 . A diameter is a straight

line drawn through the centre , and terminated at both extremities by the

circumference . Ex . AB 18 . A semicircle is

GEOMETRY .

... drawn from the centre to the circumference . Ex . AB17 . A diameter is a straight

line drawn through the centre , and terminated at both extremities by the

circumference . Ex . AB 18 . A semicircle is

**half**a circle , and PRACTICALGEOMETRY .

Side 5

James Martin (of the Wedgwood inst, Burslem.) 18 . A semicircle is

and it is contained by a diameter and

tangent is a straight line which meets a circle , and , being produced , does not

cut it .

James Martin (of the Wedgwood inst, Burslem.) 18 . A semicircle is

**half**a circle ,and it is contained by a diameter and

**half**the circumference . Ex . ABC19 . Atangent is a straight line which meets a circle , and , being produced , does not

cut it .

Side 6

From point A as centre , with any radius greater than

the arc DE . 2 . From point B as centre , with the same radius , describe the arc FG

, intersecting the arc DE in H and K . 3 . Draw the straight line HK , and the given

...

From point A as centre , with any radius greater than

**half**the line AB , describethe arc DE . 2 . From point B as centre , with the same radius , describe the arc FG

, intersecting the arc DE in H and K . 3 . Draw the straight line HK , and the given

...

Side 32

... isosceles triangle , having its base AB and its perimeter CD given . i . Bisect AB

and CD in the points E and F ( Pr . 1 ) , and produce the bisecting line through

Findefinitely towards G . 2 . From F , with radius

GEOMETRY ...

... isosceles triangle , having its base AB and its perimeter CD given . i . Bisect AB

and CD in the points E and F ( Pr . 1 ) , and produce the bisecting line through

Findefinitely towards G . 2 . From F , with radius

**half**AB , PRACTICALGEOMETRY ...

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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.