Inventional Geometry: A Series of Problems, Intended to Familiarize the Pupil with Geometrical Conceptions, and to Exercise His Inventive Faculty |
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AMERICAN BOOK COMPANY arithmetic arrange assistance authors base body boundaries breadth calculation called centre chord circle circumference College construct contains criticism cube curve definitions determine diagonal diameter dimensions distance divide divide a line divisions draw elements ellipse English equal and similar equilateral triangle essays example expressed extremities face feet figure find the area four equal geometry give a sketch given greater half hexagon hollow illustration inches invent isosceles triangle kinds length less line of chords literature means measure meet method octagon parallel perpendicular piece of card plane polygon practical present protractor prove pupil radius ratio reading rectangle regular represent rhomboid rhombus right angle right-angled triangle scale schools sector segment sides sine solid square student surface takes the name tangent touch trapezium versed sine volume write yards
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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...