Inventional Geometry: A Series of Problems Intended to Familiarize the Pupil with Geometrical Conceptions, and to Exercise His Inventive FacultyD. Appleton and Company, 1886 - 97 páginas |
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Página 61
... at the centre and the angle of the octagon , and prove the correct- ness of your work by calculation . A scale having its breadth divided into ten equally long 6 INVENTIONAL GEOMETRY . 61 ever are together equal to the square upon the ...
... at the centre and the angle of the octagon , and prove the correct- ness of your work by calculation . A scale having its breadth divided into ten equally long 6 INVENTIONAL GEOMETRY . 61 ever are together equal to the square upon the ...
Página 71
... calculation . 311. Given , from a line of chords , the chord of 90 ° , it is required to find the radius of that line of chords . You have drawn one triangle similar to another , and one rhomboid similar to another ; can you draw one ...
... calculation . 311. Given , from a line of chords , the chord of 90 ° , it is required to find the radius of that line of chords . You have drawn one triangle similar to another , and one rhomboid similar to another ; can you draw one ...
Página 77
... to three decimal places , and prove its truth by calculation . 349. Can you calculate the area of an equi lateral triangle whose side is 1 ? 350. Illustrate by geometry the respective values of .9 , INVENTIONAL GEOMETRY . my.
... to three decimal places , and prove its truth by calculation . 349. Can you calculate the area of an equi lateral triangle whose side is 1 ? 350. Illustrate by geometry the respective values of .9 , INVENTIONAL GEOMETRY . my.
Página 80
... calculation , the length of the side of that rhombus ? 359. Can you convert an equilateral triangle into an irregular pentagon ? 360. Point out upon a tetrahedron two lines that are in the same plane , and two that are not in the same ...
... calculation , the length of the side of that rhombus ? 359. Can you convert an equilateral triangle into an irregular pentagon ? 360. Point out upon a tetrahedron two lines that are in the same plane , and two that are not in the same ...
Página 83
... calculation , and point out on the figure that it is equal to radius minus co - sine .. 375. Can you divide a common triangle into two equal parts by a line parallel to one of its sides ? 376. Can you divide a triangle into two equal ...
... calculation , and point out on the figure that it is equal to radius minus co - sine .. 375. Can you divide a common triangle into two equal parts by a line parallel to one of its sides ? 376. Can you divide a triangle into two equal ...
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Términos y frases comunes
adjacent angles angular points APPLETON arc is called arithmetic arithmetic mean arrange the surfaces axis BALFOUR STEWART base Book-Keeping boundaries breadth card a hollow circumference construct cube curve diameter dimensions divide a circle divide a line divide an equilateral dodecagon Double-Entry Book-Keeping duodecimals ellipse equal and similar equal sectors equilateral triangle find the area four equal FRANKLIN TAYLOR Geology geometry Give a plan give a sketch gles HERBERT SPENCER hexahedron icosahedron Illustrations Inventional Geometry isosceles triangle length line drawn line of chords line of sines line of tangents means nonagon number of degrees obtuse angle octahedron orthoëpists pentagon piece of card place a circle place a hexagon place a square polygon Prof protractor pupil pyramid quadrant quadrilaterals radii radius rectangle reëntrant angle rhomboid rhombus right-angled triangle Science Primer secant sides is called solid square inches square yard takes the name tetrahedron trapezium versed sine write its name zoid