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

### Inni boken

Resultat 6-10 av 22

Side 22

It is also

generally its lowest side . Ex . ABNOTE . — Both in an isosceles triangle and in a

right - angled triangle , the position of the base is changed . 12 . The altitude of a

...

It is also

**called**the apex , or the vertical angle . 11 . The base of a triangle isgenerally its lowest side . Ex . ABNOTE . — Both in an isosceles triangle and in a

right - angled triangle , the position of the base is changed . 12 . The altitude of a

...

Side 27

The angles GAK , AKB , are

upon two parallel straight lines , it makes the alternate angles equal to each other

( Euc . I . 29 ) . Problem 25 . To construct a triangle , having its base AB , its ...

The angles GAK , AKB , are

**called**alternate angles , and when a straight line fallsupon two parallel straight lines , it makes the alternate angles equal to each other

( Euc . I . 29 ) . Problem 25 . To construct a triangle , having its base AB , its ...

Side 36

All quadrilateral figures are also

angles . 9 . A diagonal of a quadrilateral is a straight line which joins any two of

its opposite angles . Ex . AB10 . A diameter is a straight line drawn through its

centre ...

All quadrilateral figures are also

**called**quadrangles , as they have also fourangles . 9 . A diagonal of a quadrilateral is a straight line which joins any two of

its opposite angles . Ex . AB10 . A diameter is a straight line drawn through its

centre ...

Side 73

In order to understand the following definitions clearly , we must refer to that

SOLID which is

a circle , but which tapers to a point from the base upward . Ex . ABCB - - - Note 1

.

In order to understand the following definitions clearly , we must refer to that

SOLID which is

**called**a CONE . 1 . A cone is a solid figure , the base of which isa circle , but which tapers to a point from the base upward . Ex . ABCB - - - Note 1

.

Side 74

Such a figure has two diameters , unequal in length ; viz . , the long diameter A B ,

conjugate or minor axis . NOTE 2 . — There are two important fixed points in the ...

Such a figure has two diameters , unequal in length ; viz . , the long diameter A B ,

**called**the transverse or major axis , and the short diameter ab ,**called**theconjugate or minor axis . NOTE 2 . — There are two important fixed points in the ...

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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.