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

### Inni boken

Resultat 1-5 av 92

Side

By the aid of this instrument , any number of lines may be drawn parallel to a

paper between these two points will

at ...

By the aid of this instrument , any number of lines may be drawn parallel to a

**given**line , and at any**given**distance ... the brass**circle**, then a line drawn on thepaper between these two points will

**give**two straight lines inclined to each otherat ...

Side 5

A semicircle is half a

circumference . Ex . ABC19 . ... The point where it touches the

point of contact . Ex . B . В ... To bisect a

GEOMETRY .

A semicircle is half a

**circle**, and it is contained by a diameter and half thecircumference . Ex . ABC19 . ... The point where it touches the

**circle**is called thepoint of contact . Ex . B . В ... To bisect a

**given**straight line AB PRACTICALGEOMETRY .

Side 12

The radius of a

the angle D BA is 60° . NOTE 3 ... To draw a line parallel to a

...

The radius of a

**circle**is one - sixth of its circumference . It is on this principle thatthe angle D BA is 60° . NOTE 3 ... To draw a line parallel to a

**given**line AB , at a**given**distance from it , as CD . AB 1 . Take any two points , E and F in the line AB...

Side 24

To construct an equilateral triangle having a

extremities of the line AB , draw CAD and EBF perpendicular to it ( Pr . 2 ) . 2 .

From A as centre with any radius , describe a semicircle cutting CAD in C and D .

3 .

To construct an equilateral triangle having a

**given**height ABE B F 1 . From theextremities of the line AB , draw CAD and EBF perpendicular to it ( Pr . 2 ) . 2 .

From A as centre with any radius , describe a semicircle cutting CAD in C and D .

3 .

Side 38

To construct a rectangle , the lengths of two of the sides AB and BC being

1 . From the point B in the

E ( Pr . 1 ) , and from E as centre , with the radius EA or EC , describe a

To construct a rectangle , the lengths of two of the sides AB and BC being

**given**.1 . From the point B in the

**given**... AC being**given**. 1 . Bisect the diagonal AC inE ( Pr . 1 ) , and from E as centre , with the radius EA or EC , describe a

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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.