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 |
Dentro del libro
Resultados 1-5 de 8
Página 52
... prove by geometry whether it is accurate . or not . 201. Can you contrive to divide a square into two equal but dissimilar parts ? 202. Make with a protractor an angle of 60 ° , and prove by geometry whether it is cor- rect or not . 203 ...
... prove by geometry whether it is accurate . or not . 201. Can you contrive to divide a square into two equal but dissimilar parts ? 202. Make with a protractor an angle of 60 ° , and prove by geometry whether it is cor- rect or not . 203 ...
Página 60
... proved that the squares upon the two sides of a right - angled isosceles triangle are together equal to the square upon the hypothe- nuse . 240. Can you invent any method of proving to the eye that the squares upon the base and ...
... proved that the squares upon the two sides of a right - angled isosceles triangle are together equal to the square upon the hypothe- nuse . 240. Can you invent any method of proving to the eye that the squares upon the base and ...
Página 61
... the centre and the angle of the octagon , and prove the correct- ness of your work by calculation . A scale having its breadth divided into ten equally long 6 INVENTIONAL GEOMETRY . 61 ever are together equal to the square upon the ...
... the centre and the angle of the octagon , and prove the correct- ness of your work by calculation . A scale having its breadth divided into ten equally long 6 INVENTIONAL GEOMETRY . 61 ever are together equal to the square upon the ...
Página 63
... prove the truth of the result by arithmetic . 255. Show by a figure how many square yards there are in a square pole . You know how to find the area of a rectan- gle , and you have changed a rectangle into a INVENTIONAL GEOMETRY . 63.
... prove the truth of the result by arithmetic . 255. Show by a figure how many square yards there are in a square pole . You know how to find the area of a rectan- gle , and you have changed a rectangle into a INVENTIONAL GEOMETRY . 63.
Página 71
... prove it by calculation . 311. Given , from a line of chords , the chord of 90 ° , it is required to find the radius of that line of chords . You have drawn one triangle similar to another , and one rhomboid similar to another ; can you ...
... prove it by calculation . 311. Given , from a line of chords , the chord of 90 ° , it is required to find the radius of that line of chords . You have drawn one triangle similar to another , and one rhomboid similar to another ; can you ...
Otras ediciones - Ver todas
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