Inventional Geometry: A Series of Problems : Intended to Familiarize the Pupil with Geometrical Conceptions, and to Exercise His Inventive Faculty
American Book Company, 1876 - 97 páginas
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AMERICAN BOOK COMPANY angle arithmetic arrange assistance base beginning body boundaries breadth calculation called centre cents chord circle circumference Cloth construct contains cube curve determine diagonal diameter dimensions distance divide divide a line draw edition Education effects ellipse equal and similar equilateral triangle extremities face feet figure find the area four equal geometry give a sketch given greater half hexagon History Hygiene illustrated inches invent isosceles triangle kind length less line of chords LITERATURE maps means measure meet method octagon parallel perpendicular Physiology piece of card plane polygon practical PRIMERS problems protractor prove pupil pyramid radius ratio rectangle regular respective rhomboid right angle right-angled triangle scale schools sector segment SERIES sides solid square surface takes the name tangent touch trapezium United versed sine write yards YORK
Página 41 - TRIANGLES upon the same base, and between the same parallels, are equal to one another.
Página 21 - All arcs of circles that are not so great as a semi-circumference are called less arcs. A line that joins the extremities of an arc is called the chord of that arc. When two radii connect together any two points in the circumference of a circle which are on exactly the opposite sides of the centre, they make a chord, which is called the diameter of the circle, and such diameter divides the circle into two equal segments, 1 which take the name of semicircles.