Elements of GeometryGinn, Heath, & Company, 1882 - 250 σελίδες |
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Αποτελέσματα 1 - 5 από τα 21.
Σελίδα iii
... Hence , with a very large proportion of beginners in Geometry , it depends mainly upon the form in which the subject is presented whether they pursue the study with indifference , not to say aversion , or with increasing interest and ...
... Hence , with a very large proportion of beginners in Geometry , it depends mainly upon the form in which the subject is presented whether they pursue the study with indifference , not to say aversion , or with increasing interest and ...
Σελίδα 4
... Hence a solid extends in all direc- tions . B A F E A solid may be conceived as generated by a surface in motion . Thus , in the diagram , let the upright surface ABCD move to the right to the position EF HK . The points A , B , C , and ...
... Hence a solid extends in all direc- tions . B A F E A solid may be conceived as generated by a surface in motion . Thus , in the diagram , let the upright surface ABCD move to the right to the position EF HK . The points A , B , C , and ...
Σελίδα 6
... Hence , all straight lines which pass through the same point in the same direction coincide . Between two points one , and but one , straight line can be drawn ; that is , a straight line is determined in position if two of its points ...
... Hence , all straight lines which pass through the same point in the same direction coincide . Between two points one , and but one , straight line can be drawn ; that is , a straight line is determined in position if two of its points ...
Σελίδα 7
... Hence , every straight line , as A B , A B , has two opposite directions , namely from A toward B , which is expressed by say- ing line AB , and from B toward A , which is expressed by saying line BA . A B с 20. If a straight line ...
... Hence , every straight line , as A B , A B , has two opposite directions , namely from A toward B , which is expressed by say- ing line AB , and from B toward A , which is expressed by saying line BA . A B с 20. If a straight line ...
Σελίδα 10
... Hence the whole angular magnitude about a point in a plane is equal to four right angles , and the angular magnitude about a point on one side of a straight line drawn through that point is equal to two right angles . C B D D A E H B A ...
... Hence the whole angular magnitude about a point in a plane is equal to four right angles , and the angular magnitude about a point on one side of a straight line drawn through that point is equal to two right angles . C B D D A E H B A ...
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.