Elements of plane (solid) geometry (Higher geometry) and trigonometry (and mensuration), being the first (-fourth) part of a series on elementary and higher geometry, trigonometry, and mensuration |
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Page 5
... proportional figures before that of the squares of the sides of right angled triangles , we are enabled to present a new demonstration for that proposition founded on the pro- portionality of the sides of similar triangles , at once ...
... proportional figures before that of the squares of the sides of right angled triangles , we are enabled to present a new demonstration for that proposition founded on the pro- portionality of the sides of similar triangles , at once ...
Page 7
... PROPORTIONAL MAGNITUDES . BOOK SECOND . OF LINES AND THEIR PROPERTIES - DEFINITIONS OF GEOMETRICAL TERMS - GENERAL DISCUSSIONS AND PROPOSITIONS . BOOK THIRD . THE CIRCLE AND MEASUREMENT OF ANGLES - DEFINITIONS - GENERAL DISCUSSISON AND ...
... PROPORTIONAL MAGNITUDES . BOOK SECOND . OF LINES AND THEIR PROPERTIES - DEFINITIONS OF GEOMETRICAL TERMS - GENERAL DISCUSSIONS AND PROPOSITIONS . BOOK THIRD . THE CIRCLE AND MEASUREMENT OF ANGLES - DEFINITIONS - GENERAL DISCUSSISON AND ...
Page 14
... proportional quantities the first and third are called the antecedents , and the second and fourth the conse- quents ; and the last is said to be a fourth proportional to the other three taken in order . Antecedents are called homolo ...
... proportional quantities the first and third are called the antecedents , and the second and fourth the conse- quents ; and the last is said to be a fourth proportional to the other three taken in order . Antecedents are called homolo ...
Page 15
... proportional , or inversely proportional , when one increases in the same ratio as the other diminishes . In such case , either of them is equal to a constant quantity divided by the other , and their product is constant . PROPOSITION I ...
... proportional , or inversely proportional , when one increases in the same ratio as the other diminishes . In such case , either of them is equal to a constant quantity divided by the other , and their product is constant . PROPOSITION I ...
Page 20
... proportional , the product of the two extremes is equal to the product of the two means . Let A , B , C , D be four magnitudes which are in propor- tion , and Q , q and Q , q ' their numerical representatives when compared with the unit ...
... proportional , the product of the two extremes is equal to the product of the two means . Let A , B , C , D be four magnitudes which are in propor- tion , and Q , q and Q , q ' their numerical representatives when compared with the unit ...
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Elements of Plane (Solid) Geometry (Higher Geometry) and Trigonometry (and ... Nathan Scholfield No preview available - 2015 |
Common terms and phrases
ABCD abscissa altitude axis bisect chord circle circular segment circum circumference circumscribing cone conjugate construction convex surface cosec cosine cube curve cylinder described diameter distance divided draw ellipse equal to half equation equivalent feet figure formed frustum Geom geometry given hence hyperbola hypothenuse inches inscribed inscribed sphere latus rectum length logarithm magnitude measured multiplied by one-third number of sides opposite ordinates parabola parallel parallelogram perimeter perpendicular plane polyedroid polyedron polygon portion prism PROBLEM Prop proportional PROPOSITION pyramid quadrant quadrilateral quantities radii radius ratio rectangle regular polygon revoloid rhomboid right angled triangle right line root Scholium sector segment similar similar triangles sine slant height solid angle sphere spherical square straight line tangent THEOREM triangle ABC triangular triangular prism ungula vertex vertical virtual centre
Popular passages
Page 36 - Prove that parallelograms on the same base and between the same parallels are equal in area.
Page 35 - The sum of any two sides of a triangle, is greater than the third side.
Page 60 - A tangent to a circle is perpendicular to the radius drawn to the point of contact.
Page 56 - In the same circle, or in equal circles, equal arcs are subtended by equal chords ; and, conversely, equal chords subtend equal arcs.
Page 38 - The volumes of similar solids are to each other as the cubes of their like dimensions.
Page 75 - The logarithm of any power of a number is equal to the logarithm of the number multiplied by the exponent of the power.
Page 86 - If there be two straight lines, one of which is divided into any number of parts, the rectangle contained by the two straight lines is equal to the rectangles contained by the undivided line, and the several parts of the divided line. Let...
Page 211 - To find the solidity of a hyperbolic conoid, or otherwise called a hyperboloid. RULE. To the square of the radius of the base, add the square of the diameter...
Page 48 - Hence, the interior angles plus four right angles, is equal to twice as many right angles as the polygon has sides, and consequently, equal to the sum of the interior angles plus the exterior angles.