Elements of GeometryGinn, Heath, & Company, 1882 - 250 σελίδες |
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Σελίδα v
... constructed . This method will furnish a valuable exercise as a language lesson , will cultivate the habit of neat and orderly arrangement of work , and will allow a brief interval for deliberating on each step . After a Book has been ...
... constructed . This method will furnish a valuable exercise as a language lesson , will cultivate the habit of neat and orderly arrangement of work , and will allow a brief interval for deliberating on each step . After a Book has been ...
Σελίδα vi
... constructing the figures , for choosing the best language , and for determining the best arrangement . The time necessary for the reading of examination - books will be diminished by more than one - half , if the use of the symbols ...
... constructing the figures , for choosing the best language , and for determining the best arrangement . The time necessary for the reading of examination - books will be diminished by more than one - half , if the use of the symbols ...
Σελίδα 106
... . For , C and O , being two points at equal distances from H and K , determine the position of a to the line HK at its middle point . - $ 60 Q. E. F. PROPOSITION XXV . PROBLEM . 223. To construct an arc 106 BOOK II . GEOMETRY .
... . For , C and O , being two points at equal distances from H and K , determine the position of a to the line HK at its middle point . - $ 60 Q. E. F. PROPOSITION XXV . PROBLEM . 223. To construct an arc 106 BOOK II . GEOMETRY .
Σελίδα 107
George Albert Wentworth. PROPOSITION XXV . PROBLEM . 223. To construct an arc equal to a given arc whose centre is a given point . A F. B B ' Let C be the centre of the given arc A B. It is required to construct an arc equal to arc A B ...
George Albert Wentworth. PROPOSITION XXV . PROBLEM . 223. To construct an arc equal to a given arc whose centre is a given point . A F. B B ' Let C be the centre of the given arc A B. It is required to construct an arc equal to arc A B ...
Σελίδα 108
... construct an △ at C ' equal to the ≤ C. From C as a centre , with any radius as C B , describe the arc A B , terminating in the sides of the Z. Draw chord A B. From C ' as a centre , with a radius equal to CB , describe the indefinite ...
... construct an △ at C ' equal to the ≤ C. From C as a centre , with any radius as C B , describe the arc A B , terminating in the sides of the Z. Draw chord A B. From C ' as a centre , with a radius equal to CB , describe the indefinite ...
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
A B C D AABC AACB ABCD adjacent angles apothem arc A B base and altitude centre centre of symmetry chord circumscribed coincide construct a square COROLLARY decagon describe an arc diagonals diameter divided Draw equal arcs equal distances equal respectively equiangular equiangular polygon equilateral equilateral polygon exterior angles figure given circle given line given polygon given square hexagon homologous sides hypotenuse isosceles Let A B Let ABC line A B measured by arc middle point number of sides parallelogram perpendicular plane polygon ABC polygon similar PROBLEM prove Q. E. D. PROPOSITION quadrilateral radii radius equal ratio rect rectangles regular inscribed regular polygon required to construct right angles right triangle SCHOLIUM segment semicircle similar polygons square equivalent subtend symmetrical with respect tangent THEOREM triangle ABC vertex vertices
Δημοφιλή αποσπάσματα
Σελίδα 40 - If two triangles have two angles of the one equal to two angles of the other, each to each, and one side equal to one side, viz.
Σελίδα 124 - To describe an isosceles triangle having each of the angles at the base double of the third angle.
Σελίδα 201 - In any proportion, the product of the means is equal to the product of the extremes.
Σελίδα 173 - Any two rectangles are to each other as the products of their bases by their altitudes.
Σελίδα 185 - In any obtuse triangle, the square of the side opposite the obtuse angle is equal to the sum of the squares of the other...
Σελίδα 73 - A CIRCLE is a plane figure bounded by a curved line, all the points of which are equally distant from a point within called the centre; as the figure ADB E.
Σελίδα 41 - The exterior angle of a triangle is equal to the sum of the two opposite interior angles.
Σελίδα 140 - If a line divides two sides of a triangle proportionally, it is parallel to the third side.
Σελίδα 113 - From A as a centre, with a radius equal to o, describe an arc ; and from B as a centre, with a radius equal to m, describe an arc intersecting the former arc at С.
Σελίδα 155 - In a series of equal ratios, the sum of the antecedents is to the sum of the consequents as any antecedent is to its consequent.