A Course of Mathematics: In Two Volumes. For the Use of Academies, as Well as Private Tuition, Τόμος 1Samuel Campbell, Evert Duyckinck, T. & J. Swords, Peter A. Mesier, R. M'Dermut, Thomas A. Ronalds, John Tiebout, and George Long, 1818 - 558 σελίδες |
Αναζήτηση στο βιβλίο
Αποτελέσματα 1 - 5 από τα 100.
Σελίδα 276
... Angle is the inclination or opening of two lines , having different directions , and meeting in a point . 14. Angles are Right or Oblique , Acute or Obtuse . 15. A Right Angle is that which is made by one line perpendicular to another ...
... Angle is the inclination or opening of two lines , having different directions , and meeting in a point . 14. Angles are Right or Oblique , Acute or Obtuse . 15. A Right Angle is that which is made by one line perpendicular to another ...
Σελίδα 277
... angle . 28. Other triangles are Oblique - angled , and are either Obtuse or Acute . 29. An Obtuse - angled Triangle has one ob- tuse angle . 30. An Acute - angled Triangle has all its three angles acute . 31. A figure of Four sides and ...
... angle . 28. Other triangles are Oblique - angled , and are either Obtuse or Acute . 29. An Obtuse - angled Triangle has one ob- tuse angle . 30. An Acute - angled Triangle has all its three angles acute . 31. A figure of Four sides and ...
Σελίδα 279
... angle , or its vertex , to the opposite side , called the base . 55. In a right - angled triangle , the side op- posite the right angle is called the Hypothe- nuse ; and the other two sides are called the Legs , and sometimes the Base ...
... angle , or its vertex , to the opposite side , called the base . 55. In a right - angled triangle , the side op- posite the right angle is called the Hypothe- nuse ; and the other two sides are called the Legs , and sometimes the Base ...
Σελίδα 281
... angles are equal to one another . 11. Angles that have equal measures , or arcs , are equal . THEOREM I. Ir two Triangles have Two Sides and the Included Angle in the one , equal to Two Sides and the Included Angle in the other , the ...
... angles are equal to one another . 11. Angles that have equal measures , or arcs , are equal . THEOREM I. Ir two Triangles have Two Sides and the Included Angle in the one , equal to Two Sides and the Included Angle in the other , the ...
Σελίδα 282
... angle c ( by hyp ) , the side BC will fall on the side EF . Also , because AC is equal to DF , and BC equal to EF ... angle A to the angle D , and the angle B to the angle E. Q. E. D. THEOREM II . WHEN TWO Triangles have Two Angles and ...
... angle c ( by hyp ) , the side BC will fall on the side EF . Also , because AC is equal to DF , and BC equal to EF ... angle A to the angle D , and the angle B to the angle E. Q. E. D. THEOREM II . WHEN TWO Triangles have Two Angles and ...
Περιεχόμενα
210 | |
218 | |
228 | |
249 | |
257 | |
266 | |
275 | |
281 | |
67 | |
68 | |
76 | |
77 | |
85 | |
110 | |
116 | |
122 | |
129 | |
135 | |
150 | |
159 | |
167 | |
175 | |
181 | |
188 | |
199 | |
319 | |
336 | |
352 | |
369 | |
377 | |
393 | |
402 | |
419 | |
429 | |
457 | |
469 | |
491 | |
514 | |
532 | |
558 | |
571 | |
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
ABCD abscisses altitude arithmetical arithmetical mean arithmetical progression axis base bisected breadth ca² CD² centre chord ciphers circle circumference common cone consequently cube root curve DE² decimal denominator denotes diameter difference distance divide dividend division divisor draw equal equation equiangular EXAMPLES feet figure fraction frustum geometrical geometrical progression given number gives greater half Hence improper fraction inches length logarithm manner measure multiply number of terms ordinates parabola parallel parallelogram perpendicular plane polygon prism PROBLEM proportional Q. E. D. Corol Q. E. D. THEOREM quantity QUEST quotient radius ratio rectangle Reduce remainder right angles right line rule Scholium side AC sine square root subtract surd surface tangent theor theref triangle ABC VULGAR FRACTIONS whole number yards
Δημοφιλή αποσπάσματα
Σελίδα 2 - 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 410 - All the interior angles of any rectilineal figure, together with four right angles, are equal to twice as many right angles as the figure has sides.
Σελίδα 251 - 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 25 - 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 220 - 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 306 - A STRAIGHT line is perpendicular to a plane, when it is perpendicular to every straight line which it meets in that plane.
Σελίδα 55 - 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 257 - AB>AC-BC: that is, the difference of any two sides of a triangle is less than the third side.
Σελίδα 347 - 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.
Σελίδα 221 - RULE. Transpose all the terms that involve the unknown quantity to one side of the equation, and the known terms to the other...