Inventional Geometry: A Series of Problems, Intended to Familiarize the Pupil with Geometrical Conceptions, and to Exercise His Inventive FacultyD. Appleton and Company, 1881 - 97 páginas |
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Página 54
... 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 protractor ? 215. Can you ...
... 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 protractor ? 215. Can you ...
Página 62
... pyramid is divided into two parts by a plane parallel to the base , that part next the base is called a frustum of that pyramid . 248. Make of one piece of card the frustum of a pentagonal pyramid , and let the small end of the frustum ...
... pyramid is divided into two parts by a plane parallel to the base , that part next the base is called a frustum of that pyramid . 248. Make of one piece of card the frustum of a pentagonal pyramid , and let the small end of the frustum ...
Página 79
... pyramid in the world stands upon a square base , whose side is 700 feet long . The pyramid has four equilateral triangles for its surfaces . Calculate what num- ber of square feet , square yards , and acres , the base of such pyramid ...
... pyramid in the world stands upon a square base , whose side is 700 feet long . The pyramid has four equilateral triangles for its surfaces . Calculate what num- ber of square feet , square yards , and acres , the base of such pyramid ...
Página 80
... pyramid ; say what solid it is a part of , and give a sketch of the model . 357. There is a rhomboid of such a form that its area may be found by means of one of its sides , and one of its diagonals . Give a plan of it . 358. Can you ...
... pyramid ; say what solid it is a part of , and give a sketch of the model . 357. There is a rhomboid of such a form that its area may be found by means of one of its sides , and one of its diagonals . Give a plan of it . 358. Can you ...
Página 82
... pyramid whose slant sides shall be equilateral triangles ? 368. Make a box of strong pasteboard , and let the length be five inches , breadth four , and depth three , and let it have a lid that shall not only cover the box , but have ...
... pyramid whose slant sides shall be equilateral triangles ? 368. Make a box of strong pasteboard , and let the length be five inches , breadth four , and depth three , and let it have a lid that shall not only cover the box , but have ...
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Términos y frases comunes
66 APPLETONS adjacent angles angular points arc is called arithmetic arithmetic mean arrange the surfaces base BOND STREET boundaries breadth card a hollow circumference construct cube curve diameter Dictionary dimensions divide a circle divide a line divide an equilateral dodecagon duodecimals edition ellipse equal and similar equal sectors equilateral triangle find the area four equal geometry GEORGE PARK FISHER Give a plan give a sketch gles HERBERT SPENCER hexahedron icosahedron Illustrations isosceles triangle length line drawn line of chords line of sines line of tangents means nonagon number of degrees octagon octahedron pentagon perpendicular piece of card place a circle place a hexagon place a square polygon Price protractor pupil pyramid quadrant quadrilaterals radii radius ratio READER rectangle reëntrant angle rhomboid rhombus right angle right-angled triangle secant sides is called solid spheroid square inches square yard takes the name tetrahedron touch trapezium versed sine write its name zoid
Pasajes populares
Página 43 - TRIANGLES upon the same base, and between the same parallels, are equal to one another.
Página 42 - A body which has four plane, equal, and similar surfaces, is called a tetrahedron. 131. Make a hollow tetrahedron of one piece of cardboard, and show on paper how you arrange the surfaces to fit each other, and give a sketch of the tetrahedron when made. You know how to fit a square in a circle. 132. Can you fit a square around a circle ? When two triangles have the angles of one respectively equal to the angles of the other, but the sides of the one longer or shorter respectively than the sides...