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 9
... greater part of the questions accompany- ing the definitions require for their answers ge- ometrical figures and diagrams , accurately con- structed by means of a pair of compasses , a scale of equal parts , and a protractor , while ...
... greater part of the questions accompany- ing the definitions require for their answers ge- ometrical figures and diagrams , accurately con- structed by means of a pair of compasses , a scale of equal parts , and a protractor , while ...
Página 22
... di- vided into two equal arcs , each arc is called a semi - circumference . All arcs of circles which extend beyond & semi - circumference are called greater arcs . All arcs of circles that are not so great as 22 INVENTIONAL GEOMETRY .
... di- vided into two equal arcs , each arc is called a semi - circumference . All arcs of circles which extend beyond & semi - circumference are called greater arcs . All arcs of circles that are not so great as 22 INVENTIONAL GEOMETRY .
Página 23
... greater segments . 26. Make a greater segment , and on it write its name . 27. Make a greater segment , and on the out- side of each of its boundaries write its name . The word segment means a piece cut off : thus we have segments of a ...
... greater segments . 26. Make a greater segment , and on it write its name . 27. Make a greater segment , and on the out- side of each of its boundaries write its name . The word segment means a piece cut off : thus we have segments of a ...
Página 24
... greater segment ? 31. Can you cut from a circle more than one less segment ? 32. Place two circles so that the circumfer- ence of each may rest upon the centre of the other , and show that the curved figure common to both circles ...
... greater segment ? 31. Can you cut from a circle more than one less segment ? 32. Place two circles so that the circumfer- ence of each may rest upon the centre of the other , and show that the curved figure common to both circles ...
Página 28
... greater or less than the angle of a quadrant are called oblique angles . When an oblique angle is less than a quad- rantal angle , that is less than a right angle , that is less than an angle of 90 ° , it is called an acute angle . 53 ...
... greater or less than the angle of a quadrant are called oblique angles . When an oblique angle is less than a quad- rantal angle , that is less than a right angle , that is less than an angle of 90 ° , it is called an acute angle . 53 ...
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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.