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 44
... piece of card a hollow hexahedron . Show on paper how you arrange the surfaces so as to fold together , and give a sketch of the hexahedron when finished ; and say what other names a hexahedron has . 144. Can you make a right - angled ...
... piece of card a hollow hexahedron . Show on paper how you arrange the surfaces so as to fold together , and give a sketch of the hexahedron when finished ; and say what other names a hexahedron has . 144. Can you make a right - angled ...
Página 46
... part shall be three times the length of the other ? 155. Can you divide a line into four equal parts , without using more than three circles ? 156. Can you make a triangle whose sides ... piece of card a hollow oc- 46 INVENTIONAL GEOMETRY .
... part shall be three times the length of the other ? 155. Can you divide a line into four equal parts , without using more than three circles ? 156. Can you make a triangle whose sides ... piece of card a hollow oc- 46 INVENTIONAL GEOMETRY .
Página 47
... piece of card a hollow oc- tahedron ; show how you arrange the surfaces so as to fold together correctly ; and give a sketch of the octahedron . 162. Can you divide an angle into four equal angles , without using more than four circles ...
... piece of card a hollow oc- tahedron ; show how you arrange the surfaces so as to fold together correctly ; and give a sketch of the octahedron . 162. Can you divide an angle into four equal angles , without using more than four circles ...
Página 52
... piece of card as accurate a protractor as you can . 200. Make by a protractor an angle of 45 ° , and prove by geometry whether it is accurate . or not . 201. Can you contrive to divide a square into two equal but dissimilar parts ? 202 ...
... piece of card as accurate a protractor as you can . 200. Make by a protractor an angle of 45 ° , and prove by geometry whether it is accurate . or not . 201. Can you contrive to divide a square into two equal but dissimilar parts ? 202 ...
Página 54
... piece of card a hollow square pyramid , and let the slant height be twice the diagonal of the base . Give a plan of your method , and a sketch of the pyramid , when completed . 214. Can you make a pentagon outside a circle by means of a ...
... piece of card a hollow square pyramid , and let the slant height be twice the diagonal of the base . Give a plan of your method , and a sketch of the pyramid , when completed . 214. Can you make a pentagon outside a circle by means of a ...
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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