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 20
... five sides , of six sides , etc. 16. Make a few rectilinear figures . In the definitions and questions of this work , when the word surface is used , a plane surface is meant . When a surface is inclosed by one curve , it 20 INVENTIONAL ...
... five sides , of six sides , etc. 16. Make a few rectilinear figures . In the definitions and questions of this work , when the word surface is used , a plane surface is meant . When a surface is inclosed by one curve , it 20 INVENTIONAL ...
Página 26
... five , six , seven , eight , nine , ten , eleven , twelve , thirteen ? 47. Can you so place two equilateral trian- gles that one side of one of them may coincide with one side of the other ? 48. Can you divide an equilateral triangle ...
... five , six , seven , eight , nine , ten , eleven , twelve , thirteen ? 47. Can you so place two equilateral trian- gles that one side of one of them may coincide with one side of the other ? 48. Can you divide an equilateral triangle ...
Página 27
... a sector is an angle of a degree . 1 A degree of a circle is concisely marked thus ( 1 ° ) . Thir ty degrees thus ( 30 ° ) . Thirty - five degrees thus ( 85 ° ) . 52. Make a set of quadrants , and write in INVENTIONAL GEOMETRY . 27.
... a sector is an angle of a degree . 1 A degree of a circle is concisely marked thus ( 1 ° ) . Thir ty degrees thus ( 30 ° ) . Thirty - five degrees thus ( 85 ° ) . 52. Make a set of quadrants , and write in INVENTIONAL GEOMETRY . 27.
Página 34
... is called a regular polygon . A polygon that has five sides is called a pen- tagon . 1 1 Rectangles are sometimes called oblongs , and sometimes long squares . A polygon that has six sides is called a hex- 34 INVENTIONAL GEOMETRY .
... is called a regular polygon . A polygon that has five sides is called a pen- tagon . 1 1 Rectangles are sometimes called oblongs , and sometimes long squares . A polygon that has six sides is called a hex- 34 INVENTIONAL GEOMETRY .
Página 74
... number of degrees in that arc . 334. Can you reduce a figure of five sides to a triangle and to a rectangle ? When lines or curves , or both , are symmet rically grouped about a point for effect , they take 74 INVENTIONAL GEOMETRY .
... number of degrees in that arc . 334. Can you reduce a figure of five sides to a triangle and to a rectangle ? When lines or curves , or both , are symmet rically grouped about a point for effect , they take 74 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