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 25
... perpendicular to the other ; and the one to which the other is said to be perpendicular is called the base . 38. Make a right angle , and against the sides of the right angle write their respective names . 39. Can you make three angles ...
... perpendicular to the other ; and the one to which the other is said to be perpendicular is called the base . 38. Make a right angle , and against the sides of the right angle write their respective names . 39. Can you make three angles ...
Página 26
... shall be equal to each other and similar to each other ? ' Triangles are also called trilaterals . 2 Equilateral triangles are also called trigons . 49. Can you draw one line perpendicular to another line 26 INVENTIONAL GEOMETRY .
... shall be equal to each other and similar to each other ? ' Triangles are also called trilaterals . 2 Equilateral triangles are also called trigons . 49. Can you draw one line perpendicular to another line 26 INVENTIONAL GEOMETRY .
Página 27
... perpendicular to another line , from a point that is in the line but not in the middle of it ? The figure formed by two radii and an arc is called a sector . When a circle is divided into four equal sec- tors , each of such sectors ...
... perpendicular to another line , from a point that is in the line but not in the middle of it ? The figure formed by two radii and an arc is called a sector . When a circle is divided into four equal sec- tors , each of such sectors ...
Página 44
... perpendicular 6 ? In a right - angled triangle , the side which faces the right angle is called the hypothen use . 145. Can you make a right - angled triangle , whose base shall be 4 and hypothenuse 6 ? 146. Can you make a rectangle ...
... perpendicular 6 ? In a right - angled triangle , the side which faces the right angle is called the hypothen use . 145. Can you make a right - angled triangle , whose base shall be 4 and hypothenuse 6 ? 146. Can you make a rectangle ...
Página 51
... perpendicular to a line from a point given above that line ? Those instruments by which an angle can be constructed so as to contain a certain number of degrees , or by which we can measure an angle , and determine how many degrees it ...
... perpendicular to a line from a point given above that line ? Those instruments by which an angle can be constructed so as to contain a certain number of degrees , or by which we can measure an angle , and determine how many degrees it ...
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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