Elements of GeometryGinn and Heath, 1877 - 250 σελίδες |
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Σελίδα 8
... difference in direction of two lines . The point in which the lines ( prolonged if necessary ) meet is called the Vertex , and the lines are called the Sides of the angle . An angle is designated by placing a letter at its vertex , and ...
... difference in direction of two lines . The point in which the lines ( prolonged if necessary ) meet is called the Vertex , and the lines are called the Sides of the angle . An angle is designated by placing a letter at its vertex , and ...
Σελίδα 9
... of an angle is the difference between a right angle and the given angle . Thus ABD is the complement of the angle DBC ; also DBC is the com- plement of the angle A B D. A B D 31. DEF . The Supplement of an angle is the DEFINITIONS . 9.
... of an angle is the difference between a right angle and the given angle . Thus ABD is the complement of the angle DBC ; also DBC is the com- plement of the angle A B D. A B D 31. DEF . The Supplement of an angle is the DEFINITIONS . 9.
Σελίδα 10
George Albert Wentworth. 31. DEF . The Supplement of an angle is the difference between two right angles and the given angle . Thus ACD is the supplement of the angle D C B ; also D C B is the supplement of the angle AC D. 32. DEF ...
George Albert Wentworth. 31. DEF . The Supplement of an angle is the difference between two right angles and the given angle . Thus ACD is the supplement of the angle D C B ; also D C B is the supplement of the angle AC D. 32. DEF ...
Σελίδα 11
... length ; that an angle may be taken up , turned over , and put down , without altering the difference in direction of its sides . This method enables us to com- pare unequal magnitudes of DEFINITIONS . 11 SUPERPOSITION.
... length ; that an angle may be taken up , turned over , and put down , without altering the difference in direction of its sides . This method enables us to com- pare unequal magnitudes of DEFINITIONS . 11 SUPERPOSITION.
Σελίδα 39
... difference of the other two sides . In the inequality ACAB + BC , take away A B from each side of the inequality . Then AC - AB < BC ; or BC AC- A B. Ex . 1. Show that the sum of the distances of any point in a triangle from the ...
... difference of the other two sides . In the inequality ACAB + BC , take away A B from each side of the inequality . Then AC - AB < BC ; or BC AC- A B. Ex . 1. Show that the sum of the distances of any point in a triangle from the ...
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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