Inventional Geometry: A Series of Problems, Intended to Familiarize the Pupil with Geometrical Conceptions, and to Exercise His Inventive FacultyD. Appleton, 1876 - 97 páginas |
Dentro del libro
Resultados 1-5 de 13
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 55
... prove , by the protractor , whether they are correct or not . 220. How , by the line of chords , will you make an obtuse angle , say one of 115 ° 221. Can you make , with the assistance of a line of chords , a triangle whose angles at ...
... prove , by the protractor , whether they are correct or not . 220. How , by the line of chords , will you make an obtuse angle , say one of 115 ° 221. Can you make , with the assistance of a line of chords , a triangle whose angles at ...
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.
Otras ediciones - Ver todas
Términos y frases comunes
adjacent angles AMERICAN BOOK COMPANY angular points arc is called arithmetic mean arrange the surfaces axis base boundaries breadth card a hollow circumference construct cube curve determine diagonal scale diameter dimensions distance divide a circle divide a line divide an equilateral dodecagon duodecimals ellipse English equal and similar equal sectors equilateral triangle essays find the area four equal geometry Give a plan give a sketch Give an example gles hexahedron icosahedron isosceles triangle length line drawn line of chords line of sines line of tangents means nonagon number of degrees obtuse angle octagon octahedron pentagon piece of card place a circle place a hexagon place a square polygon protractor pupil pyramid quadrant quadrilaterals radii radius rectangle reëntrant angle rhomboid rhombus right angle right-angled triangle secant sides is called solid square inches square yard student takes the name tetrahedron trapezium versed sine Wellesley College write its name zoid
Pasajes populares
Página 43 - TRIANGLES upon the same base, and between the same parallels, are equal to one another.
Página 13 - I keep the subject constantly before me, and wait till the first dawnings open slowly by little and little into a full and clear light.
Página 5 - INTRODUCTION. it is considered that by geometry the architect constructs our buildings, the civil engineer our railways; that by a higher kind of geometry, the surveyor makes a map of a county or of a kingdom; that a geometry still higher is the foundation of the noble science of...