Elements of GeometryGinn and Heath, 1877 - 250 σελίδες |
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Σελίδα vi
... line and angle named . He should be encouraged , in reviewing each Book , to do the original exercises ; to state ... a b as a limit ; if , however , a decrease and approach zero as a limit , the area of the rectangle decreases and ...
... line and angle named . He should be encouraged , in reviewing each Book , to do the original exercises ; to state ... a b as a limit ; if , however , a decrease and approach zero as a limit , the area of the rectangle decreases and ...
Σελίδα 4
... lines as having position , but no extent . A ⠀⠀⠀⠀⠀ I DEFINITIONS . 1. DEF ... line may be conceived as traced or generated by a point in motion . 4. DEF ... A B , BD , DC , and AC will generate the sur- faces AF , BH , DK , and AK ...
... lines as having position , but no extent . A ⠀⠀⠀⠀⠀ I DEFINITIONS . 1. DEF ... line may be conceived as traced or generated by a point in motion . 4. DEF ... A B , BD , DC , and AC will generate the sur- faces AF , BH , DK , and AK ...
Σελίδα 7
... A B , has two opposite Hence , every straight line , as A B , 4 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 B A. A B C 20. If a straight line ...
... A B , has two opposite Hence , every straight line , as A B , 4 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 B A. A B C 20. If a straight line ...
Σελίδα 9
... lines which meet each other so that the two adjacent angles formed by producing one of the lines through the vertex are equal . Thus if the straight line A B meet the straight line C D so that the adjacent angles ABC and ABD are equal ...
... lines which meet each other so that the two adjacent angles formed by producing one of the lines through the vertex are equal . Thus if the straight line A B meet the straight line C D so that the adjacent angles ABC and ABD are equal ...
Σελίδα 12
... AB , we shall have one continuous straight line A D equal to the sum of the lines A B and C D. : Again if we have the angles ABC and DEF , by placing the vertex B on E and the side BC in the direction of ED , the angle ABC will take the ...
... AB , we shall have one continuous straight line A D equal to the sum of the lines A B and C D. : Again if we have the angles ABC and DEF , by placing the vertex B on E and the side BC in the direction of ED , the angle ABC will take the ...
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
A B C AABC AACB ABCD adjacent angles alt.-int altitude apothem arc A B bisect centre circumference circumscribed coincide COROLLARY describe an arc diagonals diameter divided Draw equal arcs equal distances equal respectively equiangular polygon equilateral equilateral polygon exterior angles figure given line given point given polygon given straight line greater homologous sides hypotenuse isosceles triangle Let A B Let ABC limit line A B measured by arc middle point number of sides parallelogram perimeter perpendicular plane PROBLEM prove Q. E. D. PROPOSITION quadrilateral radii radius equal ratio rect rectangles regular inscribed regular polygon required to construct rhombus right angles right triangle SCHOLIUM segment sides of equal sides of similar similar polygons subtend tangent THEOREM third side triangle ABC variable vertex vertices