Elements of GeometryHilliard and Metcalf, at the University Press, 1819 - 208 páginas |
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Página 49
... algebraic formula ( a - b ) 2 = a2 + b2 — 2ab . THEOREM . 184. The rectangle contained by the sum and difference of two lines is equal to the difference of their squares ; that is --2 ( AB + BC ) × ( AB — BC ) = AB — BC ( fig . 108 ) ...
... algebraic formula ( a - b ) 2 = a2 + b2 — 2ab . THEOREM . 184. The rectangle contained by the sum and difference of two lines is equal to the difference of their squares ; that is --2 ( AB + BC ) × ( AB — BC ) = AB — BC ( fig . 108 ) ...
Página 50
... algebraic formula ( a + b ) × ( a — b ) = a3 — b2 ( Alg . 34 ) . THEOREM . 186. The square described upon the hypothenuse of a right - angled triangle is equal to the sum of the squares described upon the twe other sides . Demonstration ...
... algebraic formula ( a + b ) × ( a — b ) = a3 — b2 ( Alg . 34 ) . THEOREM . 186. The square described upon the hypothenuse of a right - angled triangle is equal to the sum of the squares described upon the twe other sides . Demonstration ...
Página 154
... algebraic language , that is , in a manner the most concise , a recapitulation of the principal pro- positions of this section relating to the solidity or content of polyedrons . Let B be the base of a prism , H its altitude ; the ...
... algebraic language , that is , in a manner the most concise , a recapitulation of the principal pro- positions of this section relating to the solidity or content of polyedrons . Let B be the base of a prism , H its altitude ; the ...
Página
... Algebraic Fractions 49 To abridge an expression when the algebraic division cannot be performed ib . The greatest common divisor of two algebraic quantities 50 To find the greatest common divisor ib . Necessary precautions , when the ...
... Algebraic Fractions 49 To abridge an expression when the algebraic division cannot be performed ib . The greatest common divisor of two algebraic quantities 50 To find the greatest common divisor ib . Necessary precautions , when the ...
Página 213
... algebraic signs Explanation of algebraic formulas Of equations To solve questions by the assistance of algebra Explanation of the words , equation , members , and terms Resolution of equations of the first degree , having but one un ...
... algebraic signs Explanation of algebraic formulas Of equations To solve questions by the assistance of algebra Explanation of the words , equation , members , and terms Resolution of equations of the first degree , having but one un ...
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Términos y frases comunes
ABCD adjacent angles algebraic algebraic quantities altitude angle ACB base centre chord circ circle circular sector circumference coefficient common divisor cone consequently contains Corollary cube cylinder Demonstration denominator denoted diameter divided dividend division equal equivalent evident example exponent expression factors figure fraction frustum given gives greater greatest common divisor homologous sides inscribed less letters logarithm manner measure multiplied obtain parallel parallelogram parallelopiped perpendicular plane MN polyedron preceding prism proportion proposed equation proposition quotient radical sign radii radius ratio rectangle reduced regular polygon remainder result right angles Scholium side BC similar solid angle sphere spherical square root straight line substitute subtract suppose term THEOREM third tion triangle ABC triangular pyramids unity unknown quantity vertex whence
Pasajes populares
Página 63 - The square of the hypothenuse is equal to the sum of the squares of the other two sides ; as, 5033 402+302.
Página 7 - If two triangles have the three sides of the one equal to the three sides of the other, each to each, the triangles are congruent.
Página 151 - THE sphere is a solid terminated by a curve surface, all the points of which are equally distant from a point within, called the centre.
Página 76 - The perimeters of two regular polygons of the same number of sides, are to each other as their homologous sides, and their areas are to each other as the squares of those sides (Prop.
Página 25 - Two equal chords are equally distant from the centre ; and of two unequal chords, the less is at the greater distance from the centre.
Página 52 - The sum of the squares on the sides of a parallelogram is equal to the sum of the squares on the diagonals.
Página 160 - If two triangles have two sides and the inchtded angle of the one respectively equal to two sides and the included angle of the other, the two triangles are equal in all respects.
Página 203 - In every triangle the sum of the three angles is equal to two right angles.
Página 162 - In any spherical triangle, the greater side is opposite the greater angle ; and conversely, the greater angle is opposite the greater side.
Página 141 - If a pyramid is cut by a plane parallel to its base, the...