A graduated course of problems in practical plane and solid geometry |
Inni boken
Side 34
A parallelogram is a quadrilateral , of which the opposite sides are parallel and
equal . Ex . ABCDА Note . — Quadrilaterals fall into six classes , four of which are
parallelograms — viz . , the square , the rectangle , the rhombus , and the ...
A parallelogram is a quadrilateral , of which the opposite sides are parallel and
equal . Ex . ABCDА Note . — Quadrilaterals fall into six classes , four of which are
parallelograms — viz . , the square , the rectangle , the rhombus , and the ...
Side 35
A rectangle is a parallelogram which has only its opposite sides equal , but all its
angles right angles . Ex . ÅBCDNOTE . — This kind of parallelogram is also
termed an oblong . 5 . A rhombus is a parallelogram which has all its sides equal
...
A rectangle is a parallelogram which has only its opposite sides equal , but all its
angles right angles . Ex . ÅBCDNOTE . — This kind of parallelogram is also
termed an oblong . 5 . A rhombus is a parallelogram which has all its sides equal
...
Side 96
To inscribe a four - sided equilateral figure in any given parallelogram ABCD . 1 .
Draw the diagonals AD , BC , cutting each other in E . 2 . Bisect any two of the
adjacent angles at E ( Pr . 4 ) , by lines cutting the sides of the parallelogram in F
...
To inscribe a four - sided equilateral figure in any given parallelogram ABCD . 1 .
Draw the diagonals AD , BC , cutting each other in E . 2 . Bisect any two of the
adjacent angles at E ( Pr . 4 ) , by lines cutting the sides of the parallelogram in F
...
Side 129
On AB , construct any parallelogram ABCD , and draw the diagonals AC , BD ,
intercepting each other in E . 12 13 14 % 516B 2 . Draw line F } parallel to AD ( Pr
. 9 ) cutting AB in J . 3 . Draw line C } , cutting BD in 3 , and draw line 34 parallel
to ...
On AB , construct any parallelogram ABCD , and draw the diagonals AC , BD ,
intercepting each other in E . 12 13 14 % 516B 2 . Draw line F } parallel to AD ( Pr
. 9 ) cutting AB in J . 3 . Draw line C } , cutting BD in 3 , and draw line 34 parallel
to ...
Side 138
It can be readily seen that ABC is a half of the parallelogram EBCA , and DBC is
a half of the parallelogram DBCP . The parallelograms , standing on the same
base BC , are equal , therefore the triangles are equal , as “ the halves of equal ...
It can be readily seen that ABC is a half of the parallelogram EBCA , and DBC is
a half of the parallelogram DBCP . The parallelograms , standing on the same
base BC , are equal , therefore the triangles are equal , as “ the halves of equal ...
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altitude arc cutting Atlas axis base bound called centre circumference cloth complete cone construct contained curve cutting cylinder describe a circle describe an arc describe arcs determine diagonal distance divide division draw a line draw lines drawn edge elevation ellipse equal equal in area equilateral triangle extremities face figure four given circle given line given point given triangle ABC half height hexagon horizontal plane inches inclined inscribe intersection isosceles triangle Join length lines parallel Maps mark meeting 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 seen semicircle sides similar solid square tangent touching traces trapezium vertical plane
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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.
Bibliografisk informasjon
| Tittel | A graduated course of problems in practical plane and solid geometry |
| Forfatter | James Martin (of the Wedgwood inst, Burslem.) |
| distribuert | 1876 |
| Original fra | Oxford University |
| Digitalisert | 7. sep 2006 |
| Eksporter sitat | BiBTeX EndNote RefMan |