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 22
... equal lines drawn from the cen- tre to the circumference are called the radii of the circle . 22. Make four circles . On the first write its name . Around the outside of the second , write the name of the boundary . In the third , write ...
... equal lines drawn from the cen- tre to the circumference are called the radii of the circle . 22. Make four circles . On the first write its name . Around the outside of the second , write the name of the boundary . In the third , write ...
Página 24
... 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 .
Página 25
... equal to one another , then each of these angles is called a right angle . 37. Make two equal adjacent angles , and ... four angles with two lines ? 41. Can you make more than four angies with two lines ? 8 42. Can you divide a line into ...
... equal to one another , then each of these angles is called a right angle . 37. Make two equal adjacent angles , and ... four angles with two lines ? 41. Can you make more than four angies with two lines ? 8 42. Can you divide a line into ...
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... equal lines , it is called an equilateral triangle . ' 45. Can you make an equilateral triangle ? 46. Can you with three lines make two angles , three , four , five , six , seven , eight , nine , ten , eleven , twelve , thirteen ? 47 ...
... equal lines , it is called an equilateral triangle . ' 45. Can you make an equilateral triangle ? 46. Can you with three lines make two angles , three , four , five , six , seven , eight , nine , ten , eleven , twelve , thirteen ? 47 ...
Página 27
... four equal sec- tors , each of such sectors takes the name of quad- rant . 50. Divide a circle into four equal sectors , and write upon each sector its specific name . 51. Make a set of quadrants , and write in each angle its specific ...
... four equal sec- tors , each of such sectors takes the name of quad- rant . 50. Divide a circle into four equal sectors , and write upon each sector its specific name . 51. Make a set of quadrants , and write in each angle its specific ...
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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