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 26
... equilateral triangle into two parts that 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 ...
... equilateral triangle into two parts that 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 ...
Página 36
... equilateral triangle , and write in each angle the number of degrees it contains . 93. Can you place a circle in a semi - circle ? 94. Can you place a hexagon in a circle ? 95. Can you divide a circle into eight equal sectors ? A sector ...
... equilateral triangle , and write in each angle the number of degrees it contains . 93. Can you place a circle in a semi - circle ? 94. Can you place a hexagon in a circle ? 95. Can you divide a circle into eight equal sectors ? A sector ...
Página 37
... equilateral triangle which is equally distant from each side of the triangle , and equally distant from each of the angular points of the triangle , is called the centre of the triangle . 101. Can you make an equilateral triangle whose ...
... equilateral triangle which is equally distant from each side of the triangle , and equally distant from each of the angular points of the triangle , is called the centre of the triangle . 101. Can you make an equilateral triangle whose ...
Página 38
... equilateral triangle into three equal and similar parts ? 105. What is the greatest number of angles that can be made with four lines ? 4 106. Make a hexagon , and place a trigon on the outside of each of its boundaries , and say what ...
... equilateral triangle into three equal and similar parts ? 105. What is the greatest number of angles that can be made with four lines ? 4 106. Make a hexagon , and place a trigon on the outside of each of its boundaries , and say what ...
Página 40
... equilateral triangles may be placed around one equilateral triangle to touch it . 122. Divide a square into four equal and similar figures several ways , and give the name to each variety . 123. Can you place two hexagons so that one ...
... equilateral triangles may be placed around one equilateral triangle to touch it . 122. Divide a square into four equal and similar figures several ways , and give the name to each variety . 123. Can you place two hexagons so that one ...
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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