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 33
... trapezium . The line that joins the opposite angles of a quadrilateral is called a diagonal . 78. Show that each variety of quadrilateral has two diagonals , and say in which kind the diagonals can be of equal lengths , and in which ...
... trapezium . The line that joins the opposite angles of a quadrilateral is called a diagonal . 78. Show that each variety of quadrilateral has two diagonals , and say in which kind the diagonals can be of equal lengths , and in which ...
Página 34
... trapezium ? When a geometrical figure has more than four sides , it takes the name of polygon , which means many - angled ; and when a polygon has all its sides equal , and all its angles equal , it is called a regular polygon . A ...
... trapezium ? When a geometrical figure has more than four sides , it takes the name of polygon , which means many - angled ; and when a polygon has all its sides equal , and all its angles equal , it is called a regular polygon . A ...
Página 47
... using more than one circle ? 168. Is it possible to make a symmetrical trapezium , using no more than one circle ? 169. Can you place a hexagon in an equilat- eral triangle , so that every other angle of the INVENTIONAL GEOMETRY . 47.
... using more than one circle ? 168. Is it possible to make a symmetrical trapezium , using no more than one circle ? 169. Can you place a hexagon in an equilat- eral triangle , so that every other angle of the INVENTIONAL GEOMETRY . 47.
Página 67
... trapezium may be found by dividing the trapezium into two triangles by a diagonal , and finding the sum of the areas of such triangles . 278. Make a square , whose side shall be one - third of a foot , and show what part of a foot it ...
... trapezium may be found by dividing the trapezium into two triangles by a diagonal , and finding the sum of the areas of such triangles . 278. Make a square , whose side shall be one - third of a foot , and show what part of a foot it ...
Página 69
... trapezium . 294. Exhibit to the eye that + 1 + 1 = 1 . 295. Place a circle about a quadrant . If to one extremity of an arc , not greater than that of a quadrant , there be drawn a radius , and if from the other extremity there be let ...
... trapezium . 294. Exhibit to the eye that + 1 + 1 = 1 . 295. Place a circle about a quadrant . If to one extremity of an arc , not greater than that of a quadrant , there be drawn a radius , and if from the other extremity there be let ...
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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