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 51
... measure an angle , and determine how many degrees it contains , as also by which we can make an arc of a circle that shall subtend a certain number of degrees , or can measure an arc and determine how many degrees it subtends , are ...
... measure an angle , and determine how many degrees it contains , as also by which we can make an arc of a circle that shall subtend a certain number of degrees , or can measure an arc and determine how many degrees it subtends , are ...
Página 53
... measure them by the 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 ...
... measure them by the 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 ...
Página 56
... measures . In England , the system of linear measures squared is generally used to express areas ; as The terms acres and roods are the exceptions . square inches , square feet , square yards , square 56 INVENTIONAL GEOMETRY .
... measures . In England , the system of linear measures squared is generally used to express areas ; as The terms acres and roods are the exceptions . square inches , square feet , square yards , square 56 INVENTIONAL GEOMETRY .
Página 61
... measure by a line of chords the angle 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 ...
... measure by a line of chords the angle 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 ...
Página 66
... Measure a few acute angles by the line of tangents . 275. Measure an obtuse angle by the line of tangents . 276. Can you make a rectangle , whose деле X length is 9 , and breadth 4 , 66 INVENTIONAL GEOMETRY .
... Measure a few acute angles by the line of tangents . 275. Measure an obtuse angle by the line of tangents . 276. Can you make a rectangle , whose деле X length is 9 , and breadth 4 , 66 INVENTIONAL GEOMETRY .
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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