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 33
... rhombuses . Parallel- ograms which have all their angles equal , but their sides not all equal , called rectangles ... rhombus , of a rectangle , of a rhomboid , of a trapezoid , and of a trapezium . The line that joins the opposite ...
... rhombuses . Parallel- ograms which have all their angles equal , but their sides not all equal , called rectangles ... rhombus , of a rectangle , of a rhomboid , of a trapezoid , and of a trapezium . The line that joins the opposite ...
Página 34
... rhombus ? When a rhombus has its obtuse angles twice the size of those which are acute , it is called a regular rhombus . 81. Can you make a regular rhombus } 82. Can you make a rectangle ? ' 83. Can you make a rhomboid ? 84. Can you ...
... rhombus ? When a rhombus has its obtuse angles twice the size of those which are acute , it is called a regular rhombus . 81. Can you make a regular rhombus } 82. Can you make a rectangle ? ' 83. Can you make a rhomboid ? 84. Can you ...
Página 41
... rhombus , whose long diagonal shall be twice as long as the short one ? 128. 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 ...
... rhombus , whose long diagonal shall be twice as long as the short one ? 128. 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 ...
Página 43
... rhombus into four equal and similar figures several ways , and write in each figure its proper name . 141. Show how many hexagons may be made to touch one point . 142. Show how many circles may be made to touch one point without ...
... rhombus into four equal and similar figures several ways , and write in each figure its proper name . 141. Show how many hexagons may be made to touch one point . 142. Show how many circles may be made to touch one point without ...
Página 49
... rhombus ? 184. Can you divide any triangle into four equal and similar triangles ? 185. Can you invent a method of dividing a line into three equal parts Г 186. Can you place a hexagon in an equilat eral INVENTIONAL GEOMETRY . 49.
... rhombus ? 184. Can you divide any triangle into four equal and similar triangles ? 185. Can you invent a method of dividing a line into three equal parts Г 186. Can you place a hexagon in an equilat eral INVENTIONAL GEOMETRY . 49.
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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...