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 9
... protractor , while others require a verbal answer merely . In order to place the pupil as much as possible in the state in which Nature places him , some questions have been asked that involve an impossibility . Whenever a departure ...
... protractor , while others require a verbal answer merely . In order to place the pupil as much as possible in the state in which Nature places him , some questions have been asked that involve an impossibility . Whenever a departure ...
Página 51
... circle that shall subtend a certain number of degrees , or can measure an arc and determine how many degrees it subtends , are called protractors . Protractors commonly extend to 180 ° ; though there are INVENTIONAL GEOMETRY . 51.
... circle that shall subtend a certain number of degrees , or can measure an arc and determine how many degrees it subtends , are called protractors . Protractors commonly extend to 180 ° ; though there are INVENTIONAL GEOMETRY . 51.
Página 52
... 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. Make with a protractor an ...
... 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. Make with a protractor an ...
Página 53
... protractor . 209. Make by geometry an angle of 30 ° , and its supplement , and measure by the protractor the correctness of each . 210. Can you make a semicircle equal to a circle ? 211. Make a few triangles of different forms , and ...
... protractor . 209. Make by geometry an angle of 30 ° , and its supplement , and measure by the protractor the correctness of each . 210. Can you make a semicircle equal to a circle ? 211. Make a few triangles of different forms , and ...
Página 54
... protractor ? 215. Can you , by means of a protractor , make a pentagon without using a circle at all ? It has already been said that the chord of an arc is a line joining the extremities of that arc . 216. With the assistance of a ...
... protractor ? 215. Can you , by means of a protractor , make a pentagon without using a circle at all ? It has already been said that the chord of an arc is a line joining the extremities of that arc . 216. With the assistance 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