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Abcd abscisses altitude arithmetical arithmetical mean arithmetical progression Avoirdupois axis base bisected breadth centre chord ciphers circle circumference circumscribed common compound cone consequently cube root curve decimal denominator denotes diameter difference distance Divide dividend division divisor draw ellipse equal equation equiangular ExAM EXAMPLES feet figure fraction frustum Geom geometrical geometrical progression given number gives greater half height Hence improper fraction inches inscribed integer length line drawn logarithm manner measure Multiply ordinates parabola parallel parallelogram perimeter perpendicular plane polygon prism PROBLEM proportional Q. E. D. THEOREM quantity Quest quotient radius ratio rectangle Reduce remainder right angles right line rule Scholium segment sine square root subtract surd surface tangent theor theref triangle Abc VULGAR FRACTIONS whole number yards
Σελίδα xiv - The sum of the three angles of any triangle is equal to two right angles, this is a . Theorem, the truth of which is demonstrated by Geometry.
Σελίδα 273 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; and each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds ; and these into thirds, &c.
Σελίδα 21 - Weight is used by apothecaries and physicians in compounding dry medicines. TABLE. 20 Grains (gr.} = 1 Scruple, . . sc., or 3. 3 Scruples = 1 Dram, . . dr., or 3 . 8 Drams = 1 Ounce, . . oz., or § . 12 Ounces = 1 Pound, . . Ib., or ft,.
Σελίδα 242 - It is required to divide the number 14 into two such parts that the quotient of the greater divided by the less, may be to the quotient of the less divided by the greater as 16 to 9.
Σελίδα 330 - A STRAIGHT line is perpendicular to a plane, when it is perpendicular to every straight line which it meets in that plane.
Σελίδα 51 - To reduce a mixed number to an improper fraction, Multiply the whole number by the denominator of the fraction, and to the product add the numerator; under this sum write the denominator.
Σελίδα 281 - AB>AC-BC: that is, the difference of any two sides of a triangle is less than the third side.
Σελίδα 371 - The measure of any angle is an arc of any circle contained between the two lines which form that angle, the angular point being the centre ; and it is estimated by the number of degrees contained in that arc.