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 18
... angle . 6. Represent on paper a rectilineal angle . 7. Can two lines meet together without be- ing in the same plane ? 8. Point out two lines on a cube that exist on the same surface , and yet do not make an angle . 9. Name the number ...
... angle . 6. Represent on paper a rectilineal angle . 7. Can two lines meet together without be- ing in the same plane ? 8. Point out two lines on a cube that exist on the same surface , and yet do not make an angle . 9. Name the number ...
Página 19
... angles . The meeting of two plane surfaces in a line -for example , the meeting of the wall of a room with the floor , or the meeting of two of the surfaces of a cube - is called a dihedral angle . ' 10. Say how many dihedral angles a ...
... angles . The meeting of two plane surfaces in a line -for example , the meeting of the wall of a room with the floor , or the meeting of two of the surfaces of a cube - is called a dihedral angle . ' 10. Say how many dihedral angles a ...
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... equal and similar parts ? 34. In how many ways can you divide a double segment into four equal and similar parts ? 35. Can you make two angles with two lines ? When two lines are so placed as to make two 24 INVENTIONAL GEOMETRY .
... equal and similar parts ? 34. In how many ways can you divide a double segment into four equal and similar parts ? 35. Can you make two angles with two lines ? When two lines are so placed as to make two 24 INVENTIONAL GEOMETRY .
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... angles . 36. Make two unequal adjacent angles with two lines . When one line stands upon another line , in such a direction as to make the adjacent angles equal to one another , then each of these angles is called a right angle . 37 ...
... angles . 36. Make two unequal adjacent angles with two lines . When one line stands upon another line , in such a direction as to make the adjacent angles equal to one another , then each of these angles is called a right angle . 37 ...
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... angles , three , four , 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 ...
... angles , three , four , 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 ...
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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