Inventional Geometry: A Series of Problems : Intended to Familiarize the Pupil with Geometrical Conceptions, and to Exercise His Inventive FacultyAmerican Book Company, 1876 - 97 páginas |
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Página 6
... arithmetic . is made to precede algebra , should practical ge- ometry be made to precede theoretical geome- try . Arithmetic is not undervalued because it is inferior to algebra , nor ought practical geome- try to be despised because ...
... arithmetic . is made to precede algebra , should practical ge- ometry be made to precede theoretical geome- try . Arithmetic is not undervalued because it is inferior to algebra , nor ought practical geome- try to be despised because ...
Página 7
... arithmetic is taught , its value would scarcely have required insisting on . But the didactic method hitherto used in teaching it does not exhibit its powers to advantage . Any true geometrician who will teach practi- cal geometry by ...
... arithmetic is taught , its value would scarcely have required insisting on . But the didactic method hitherto used in teaching it does not exhibit its powers to advantage . Any true geometrician who will teach practi- cal geometry by ...
Página 63
... truth of the result by arithmetic . 255. Show by a figure how many square yards there are in a square pole . You know how to find the area of a rectan gle , and you have changed a rectangle into a INVENTIONAL GEOMETRY . 63.
... truth of the result by arithmetic . 255. Show by a figure how many square yards there are in a square pole . You know how to find the area of a rectan gle , and you have changed a rectangle into a INVENTIONAL GEOMETRY . 63.
Página 77
... arithmetic . 346. Show by means of a cube , and prove by arithmetic , what the cube of 13 is . 347. Can you place nine trees in ten rows of three in a row ? 348. With 10 divisions of a diagonal scale for its side , construct an ...
... arithmetic . 346. Show by means of a cube , and prove by arithmetic , what the cube of 13 is . 347. Can you place nine trees in ten rows of three in a row ? 348. With 10 divisions of a diagonal scale for its side , construct an ...
Página 88
... a scale , whether it is true . One - half of the sum of any two numbers or any two lines is called the arithmetic mean to those numbers , or to those lines . 412. Show by a figure the arithmetical mean to 3 88 INVENTIONAL GEOMETRY .
... a scale , whether it is true . One - half of the sum of any two numbers or any two lines is called the arithmetic mean to those numbers , or to those lines . 412. Show by a figure the arithmetical mean to 3 88 INVENTIONAL GEOMETRY .
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Términos y frases comunes
adjacent angles AMERICAN BOOK COMPANY angular points arc is called arithmetic arithmetic mean arrange the surfaces BALFOUR STEWART Barnes's Brief History base boundaries breadth card a hollow cents circumference Cloth construct cube curve diameter dimensions divide a circle divide a line divide an equilateral dodecagon duodecimals EDWARD EGGLESTON ellipse equal and similar equal sectors equilateral triangle find the area four equal FRANKLIN TAYLOR geometry Give a plan give a sketch gles HERBERT SPENCER hexahedron icosahedron illustrated Inventional Geometry isosceles triangle length line drawn line of chords line of sines line of tangents nonagon number of degrees octagon octahedron pentagon perpendicular piece of card place a circle place a hexagon place a square polygon protractor pupil pyramid quadrant quadrilaterals radii radius ratio rectangle reëntrant angle rhomboid rhombus right angle right-angled triangle secant sides is called solid square inches takes the name tetrahedron Thalheimer's touch trapezium versed sine write its name zoid
Pasajes populares
Página 41 - TRIANGLES upon the same base, and between the same parallels, are equal to one another.
Página 21 - All arcs of circles that are not so great as a semi-circumference are called less arcs. A line that joins the extremities of an arc is called the chord of that arc. When two radii connect together any two points in the circumference of a circle which are on exactly the opposite sides of the centre, they make a chord, which is called the diameter of the circle, and such diameter divides the circle into two equal segments, 1 which take the name of semicircles.