Elements of GeometryGinn and Heath, 1881 - 250 σελίδες |
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Αποτελέσματα 1 - 5 από τα 31.
Σελίδα 9
... greater than a right angle ; as the angle DEF . C D B B A C F D E 29. DEF . Acute and obtuse angles , in distinction from right angles , are called ob- lique angles ; and intersecting lines which are not perpendicular to each other are ...
... greater than a right angle ; as the angle DEF . C D B B A C F D E 29. DEF . Acute and obtuse angles , in distinction from right angles , are called ob- lique angles ; and intersecting lines which are not perpendicular to each other are ...
Σελίδα 12
... greater than A ' B ' C ' . This method of superposition en- ables us to add magnitudes of the same kind . Thus , if we have two straight lines AB and CD , by A- C A В С D D B placing the point Con B , and keeping C D in the same direc ...
... greater than A ' B ' C ' . This method of superposition en- ables us to add magnitudes of the same kind . Thus , if we have two straight lines AB and CD , by A- C A В С D D B placing the point Con B , and keeping C D in the same direc ...
Σελίδα 13
... greater than any of its parts . 9. The whole is equal to all its parts taken together . 10. Spe 47. POSTULATES . Let it be granted- at is parts taken together fija ( 1. That a straight line can be drawn from any one point to any other ...
... greater than any of its parts . 9. The whole is equal to all its parts taken together . 10. Spe 47. POSTULATES . Let it be granted- at is parts taken together fija ( 1. That a straight line can be drawn from any one point to any other ...
Σελίδα 14
... greater than . < is ( or are ) less than . rt . A right triangle . rt . A right triangles . O circle . > circles . + increased by . -- diminished by . X multiplied by . divided by . Post . postulate . Def . definition . Ax . axiom . Hyp ...
... greater than . < is ( or are ) less than . rt . A right triangle . rt . A right triangles . O circle . > circles . + increased by . -- diminished by . X multiplied by . divided by . Post . postulate . Def . definition . Ax . axiom . Hyp ...
Σελίδα 19
... greater than the sum of two other lines similarly drawn , but included by them . C E B Let CA and C B be two lines drawn from the point C to the extremities of the straight line A B. Let O A and OB be two lines similarly drawn , but ...
... greater than the sum of two other lines similarly drawn , but included by them . C E B Let CA and C B be two lines drawn from the point C to the extremities of the straight line A B. Let O A and OB be two lines similarly drawn , but ...
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
A B C AABC AACB ABCD acute adjacent angles alt.-int altitude apothem arc A B BC² bisect centre chord A B circumference circumscribed coincide COROLLARY describe an arc diagonals diameter divided Draw equal arcs equal distances equal respectively equiangular polygon equilateral equilateral polygon equivalent exterior angles figure given line given point given polygon greater homologous sides hypotenuse Iden isosceles triangle Let A B 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