Inventional Geometry: A Series of Problems, Intended to Familiarize the Pupil with Geometrical Conceptions, and to Exercise His Inventive FacultyD. Appleton, 1876 - 97 páginas |
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Página 34
... regular rhombus } 82. Can you make a rectangle ? ' 83. Can you make a rhomboid ? 84. Can you make a trapezoid ! 85 ... regular polygon . A polygon that has five sides is called a pen tagon . 1 Rectangles are sometimes called oblongs ...
... regular rhombus } 82. Can you make a rectangle ? ' 83. Can you make a rhomboid ? 84. Can you make a trapezoid ! 85 ... regular polygon . A polygon that has five sides is called a pen tagon . 1 Rectangles are sometimes called oblongs ...
Página 36
... , and underneath state the number of degrees that the angle of an octant contains . 97. Make a regular octagon in a circle . That point in a square which is equally dis tant from the sides of that square , and also 36 INVENTIONAL GEOMETRY .
... , and underneath state the number of degrees that the angle of an octant contains . 97. Make a regular octagon in a circle . That point in a square which is equally dis tant from the sides of that square , and also 36 INVENTIONAL GEOMETRY .
Página 41
... regular dodecagon in a circle ? 129. Can you show how many squares may be made to touch at one point ? You recollect that plane figure that has the fewest lines possible for its boundaries . 130. Of how few plane surfaces can you make a ...
... regular dodecagon in a circle ? 129. Can you show how many squares may be made to touch at one point ? You recollect that plane figure that has the fewest lines possible for its boundaries . 130. Of how few plane surfaces can you make a ...
Página 65
... tangent to which arc , is equal to the radius of the line of tangents . 268. Make , by the line of tangents , angles of 20 ° , 40 ° , 75 ° , and 80 ° . That solid whose faces are six equal and regular rhombuses INVENTIONAL GEOMETRY . 65 $ ...
... tangent to which arc , is equal to the radius of the line of tangents . 268. Make , by the line of tangents , angles of 20 ° , 40 ° , 75 ° , and 80 ° . That solid whose faces are six equal and regular rhombuses INVENTIONAL GEOMETRY . 65 $ ...
Página 66
... regular rhombuses is called a regular rhombo- hedron . 269. Make in card a regular rhombohedron , show how the sides are adjusted to fit , and give a sketch of it when made . A tangent to the complement of an arc is called the ...
... regular rhombuses is called a regular rhombo- hedron . 269. Make in card a regular rhombohedron , show how the sides are adjusted to fit , and give a sketch of it when made . A tangent to the complement of an arc is called the ...
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Términos y frases comunes
adjacent angles AMERICAN BOOK COMPANY angular points arc is called arithmetic mean arrange the surfaces axis base boundaries breadth card a hollow circumference construct cube curve determine diagonal scale diameter dimensions distance divide a circle divide a line divide an equilateral dodecagon duodecimals ellipse English equal and similar equal sectors equilateral triangle essays find the area four equal geometry Give a plan give a sketch Give an example gles hexahedron icosahedron isosceles triangle length line drawn line of chords line of sines line of tangents means nonagon number of degrees obtuse angle octagon octahedron pentagon piece of card place a circle place a hexagon place a square polygon protractor pupil pyramid quadrant quadrilaterals radii radius rectangle reëntrant angle rhomboid rhombus right angle right-angled triangle secant sides is called solid square inches square yard student takes the name tetrahedron trapezium versed sine Wellesley College write its name zoid
Pasajes populares
Página 43 - TRIANGLES upon the same base, and between the same parallels, are equal to one another.
Página 13 - I keep the subject constantly before me, and wait till the first dawnings open slowly by little and little into a full and clear light.
Página 5 - INTRODUCTION. it is considered that by geometry the architect constructs our buildings, the civil engineer our railways; that by a higher kind of geometry, the surveyor makes a map of a county or of a kingdom; that a geometry still higher is the foundation of the noble science of...